What is the Oh Crap Potty Training Method?

A step-by-step roadmap on what is the Oh Crap potty training method.

Jun 29, 2026

This is part of a series about parenting

 
The 5-Step Roadmap: What is the Oh Crap Potty Training Method?

The 5-Step Roadmap: What is the Oh Crap Potty Training Method?

This roadmap guides you through the Oh Crap! Potty Training method.
If you feel overwhelmed by conflicting advice and the prospect of endless accidents, you might be tempted to put off potty training. But if you succeed with a clear plan, you can achieve a diaper-free household by systematically building your child's skills, from initial awareness to full independence, without the frustration.
 

The 3 Core Drivers of Potty Training Failure

This section defines the root causes that the Oh Crap potty training method roadmap is designed to solve. Each step in our guide directly addresses one or more of these fundamental challenges.

Misaligned Expectations

Parents often expect a three-day miracle, leading to frustration when reality takes longer. This causes them to quit too early, believing the method or their child has failed, when they just needed more time.

Jumping Steps

The method is a prerequisite model, like building a tower. Trying to do outings (Block 3) before mastering being naked at home (Block 1) makes the entire structure unstable and guarantees it will tumble.

Poor Communication

Parents often ask toddlers questions they can't answer ("Do you have to go?") or use confusing gear. This creates a disconnect between the child's physical sensations and the parent's expectations, leading to accidents.

A 5-Step Roadmap: What is the Oh Crap Potty Training Method?

This roadmap unfolds in five sequential steps, mirroring the proven "Blocks of Learning" from the Oh Crap method. It starts with foundational preparation, moves to constant daily practice, expands into new contexts, and provides a clear exit strategy if needed. Each step must be mastered before moving to the next.

Step 1: Screwing Your Head on Tight (The One-Time Prep)

What This Is

This foundational step, from Jamie Glowacki's book Oh Crap! Potty Training, is about preparing your mindset and environment. It involves setting realistic expectations and gathering the right gear before day one.

Why It Matters

This step addresses the Misaligned Expectations and Poor Communication drivers. A 15-month-old requires a longer timeline and a communication bridge, and failing to prepare for this leads to parental burnout and confusion.

How You Can Use It

Use the 15-Month-Old Prep Checklist to ensure you have the right gear, mindset, and communication plan. The key action is to confirm every item is in place before you ditch the diapers.

Examples (Toggle for more)
  • Less Productive: A parent assumes training will take 3 days, buys a giant toilet insert for their 15-month-old, and plans a big family party for the upcoming weekend, creating immense pressure.
  • More Productive: Sarah is preparing to train her 15-month-old, Ben. She uses her 15-Month-Old Prep Checklist to guide her decisions.
    • Timeline Expectation: She accepts this will be a month-long process, not a weekend, which removes the pressure. Her decision logic is to prioritize consistency over speed.
    • Communication Bridge: She decides to teach Ben the sign for "potty" and the vocal cue "up" for two weeks before they start. This proactive choice bridges his communication gap.
    • Gear Setup: She chooses a small, floor-based potty chair instead of a toilet insert, recognizing it's less intimidating and more accessible for a young toddler.
    • Clothing Practice: She spends a week having Ben practice pushing down his own sweatpants, building a key motor skill ahead of time.

Step 2: The Constant Daily Baseline (Block One: Naked Phase)

What This Is

In this phase, the child is naked from the waist down indoors. The parent's job is to be the "awareness," watching with 100% focus to catch pees and place the child on the potty.

Why It Matters

This step directly tackles the Poor Communication driver by making the parent responsible for noticing physical cues. It moves the child from "Clueless" to "I'm Peeing," creating the first mind-body connection.

How You Can Use It

Use the Block One Prompting Guide to know exactly what to say and do. The most important action is to use firm, declarative prompts ("Come. It's time to pee.") instead of asking questions.

Examples (Toggle for more)
  • Less Productive: A parent gives their toddler three juice boxes to speed things up, gets distracted by their phone, and then asks, "Do you have to go potty?" as a puddle forms on the floor.
  • More Productive: Sarah starts Block One with Ben. She uses the Block One Prompting Guide as her decision engine.
    • Parent as Awareness: Sarah puts her phone away and watches Ben intently. When he suddenly pauses his playing, she identifies this as a physical cue. Her decision is to act immediately on the cue.
    • Fluid Rule: She gives Ben his normal amount of water, avoiding the Oh Crap rule against pushing extra fluids for children under 24 months. This prevents creating artificial urgency.
    • Prompting Script: Instead of asking a question, she says firmly and calmly, "Come. It's time to pee," and quickly guides him to the little potty, catching the pee mid-stream.

Step 3: The Intermittent Daily Routine (Block Two: Commando)

What This Is

The child now wears loose-fitting pants with no underwear ("going commando"). This allows them to feel the sensation of an accident immediately, unlike diapers or pull-ups which mask the feeling.

Why It Matters

This step continues to address the Poor Communication driver by linking the internal feeling of needing to go with the action. It prevents a false sense of security that underwear (which feels like a diaper) can create.

How You Can Use It

Use the Commando Clothing Checklist to select the right outfits. The single most important action is to ditch all onesies, overalls, and snug clothing in favor of simple, elastic-waist pants.

Examples (Toggle for more)
  • Less Productive: A parent puts their child in snug pull-ups and a pair of overalls with complicated snaps. The child pees without realizing it, and the parent doesn't notice until much later.
  • More Productive: Sarah is ready to move Ben to Block Two. She uses the Commando Clothing Checklist to guide her.
    • Go Commando: She chooses loose sweatpants for Ben with absolutely no underwear. Her decision logic is that the fabric must allow him to feel moisture instantly.
    • Avoid Complex Clothes: She packs away all of Ben's onesies and overalls, selecting only simple, easy-to-pull-down pants. This empowers him to start learning the motor skill himself.
    • The Sensation Script: When Ben starts to trickle, she says, "You are peeing! Let's get to the potty. That feeling is the feeling of having to go pee." This verbally connects the sensation to the desired action.

Step 4: Bracketed Situational Plays (Block Three: Outings)

What This Is

This phase involves introducing short, controlled trips outside the home. The key is to "bracket" the trip by ensuring the child pees before leaving and immediately upon returning.

Why It Matters

This step directly solves the Jumping Steps driver. By starting with micro-outings instead of long road trips, you prevent the child from becoming an "indoor-only" potty user and manage accident risk in a controlled way.

How You Can Use It

Use the Micro-Outing Bracketing Plan to structure your trips. The most crucial action is to always prompt a potty attempt before you walk out the door, using a clear script.

Examples (Toggle for more)
  • Less Productive: A parent takes their newly trained toddler on a 3-hour road trip to visit family without prompting a pee beforehand, virtually guaranteeing a car seat accident and a major setback.
  • More Productive: Sarah decides it's time for Ben's first outing. She uses the Micro-Outing Bracketing Plan to ensure success.
    • Start Micro: She decides against a long trip to the grocery store. Instead, her strategic choice is a simple 15-minute walk around the block, a low-stakes environment.
    • Bracket the Trip: Before they leave, she uses the Oh Crap script: "Ben, you need to pee before we leave the house, because I will not like it if you pee in the car." He successfully uses the potty.
    • Travel Gear: She brings his small potty chair in the trunk of the car, deciding it's a better safety net than relying on a potentially scary public restroom.

Step 5: Ongoing Contexts (Blocks 4-6 & The Reset)

What This Is

This is the long-term phase of achieving true self-initiation ("I have to go!") and, if necessary, executing a "Reset." A Reset is a no-shame, temporary return to diapers if the child is truly not ready.

Why It Matters

This directly addresses the Misaligned Expectations driver by providing a safe exit strategy. For a 15-month-old, developmental readiness is key, and forcing the issue causes long-term resistance.

How You Can Use It

Use The Reset Protocol to determine if and when to pause training. The most important action is to deliver the Reset script calmly and, for a child under 22 months, to leave the potty visible.

Examples (Toggle for more)
  • Less Productive: After four days of constant accidents, a parent gets angry, yells that "potty training is over," hides the potty chair in the garage, and refuses to try again for a year, creating a negative association.
  • More Productive: After a week with zero progress, Sarah recognizes Ben is still completely clueless. She consults The Reset Protocol.
    • Assess for Reset: She acknowledges that Ben isn't being defiant; he's just not developmentally ready. Her decision is to pause training without anger or blame.
    • The Reset Script: She calmly tells him, "You are not using the potty properly, so we are going to use a diaper again so we can all calm down."
    • Age Nuance: Because Ben is under 22 months, her protocol-driven decision is to leave the little potty out in the living room. This keeps it as a low-pressure, familiar object for when they try again in a month.

What is the Oh Crap Potty Training Method: Actionable Tools


The Oh Crap Action Plan (Toggle for more)
  • This master plan synthesizes all the tools below into a single, chronological checklist. It's designed to guide a parent from the initial prep phase all the way through long-term mastery, ensuring no steps are skipped.
  • 15-Month-Old Prep Checklist: A checklist covering timeline expectations, communication bridges (signs/cues), mandatory gear (small potty), and pre-training clothing practice. It ensures you're fully prepared before you start.
  • Block One Prompting Guide: A simple guide with the exact scripts to use ("Come. It's time to pee.") and the rules to follow (no extra fluids, 100% focus) during the initial naked phase.
  • Commando Clothing Checklist: A visual guide showing what clothes to use (loose pants) and what to avoid (onesies, overalls, underwear) to help your child feel the sensation of peeing.
  • Micro-Outing Bracketing Plan: A template to plan your first short outings, including the bracketing script ("You need to pee before we leave...") and a reminder to bring your travel potty.
  • The Reset Protocol: A decision-tree that helps you identify true "cluelessness" versus simple resistance, providing the exact script to use for a calm, shame-free pause in training.
Roadmap (Toggle for more)

🛒 1. To Buy and Prep Before You Start

What to Buy:
  • A small potty chair: Essential for a 15-month-old, as they cannot maneuver onto a big toilet safely [1].
  • Loose, elastic-waist pants: Ditch onesies and snaps [2].
  • Tiny cups: For bedtime water stalls [3].
What to Do to Prepare:
  • Clear your calendar: No playdates or errands for the first few days [4].
  • Practice pants: Have your toddler practice hooking their thumbs into the elastic to push their pants down [5].
  • Expect a longer journey: Mentally prepare yourself that a child under 20 months will take longer—often up to a month—to fully connect the dots [6, 7].

🍑 Phase 1: The Naked Phase (Block One)

Estimated Time: 1 to 3 Days (can be up to 4 days for a 15-month-old) [8, 9].
Goal: Move your child from "clueless" to realizing they are peeing [10].
  • Morning:
    • Take off the diaper. The Script: "Today, you are going to be a big kid and put your pee and poop in the potty. I’m going to teach you and help you learn this."
    • Keep your child completely bottomless from the waist down. Watch with 100% focus. Look for their pre-pee signal (a sudden pause, a "deer in headlights" look). Do NOT push extra juice boxes, as their bodies cannot handle the excess fluid [13]. The Script: When the pee starts, calmly say, "Oo, oo, hold it, honey..." and swoop them to the potty mid-stream [15, 16]. Do not ask, "Do you have to go?" Instead say, "Come. It's time to pee" [17].
    • Prompt at Natural Transitions ("Easy Catches"): Because reliable self-initiation usually takes about three weeks to build, you must act as your child's "crutch" by prompting them upon waking, before/after meals, and before naptime. Make the potty a normal step in a sequence to lower pressure. The Script: "Please pick up your blocks. It’s time for lunch. Go sit on the potty, then we’ll wash hands".
    • Execute the Proper Prompt (Directive, Not a Question): Never ask, "Do you have to go?" because toddlers will always say no. Never beg, cajole, or negotiate. Give a firm directive: "Come. It's time to pee". Once you give the prompt, do not stand over your child staring and waiting to make sure they sit. This creates pressure; you must leave room for them to make the choice.
    • What you should use instead of rewards: The ultimate goal is for your child to develop an internal sense of pride and self-mastery. To encourage them naturally, you can offer verbal praise ("You did it!"), a high-five, or let them do the highly coveted task of carrying their little pot to dump the contents into the big toilet—a process most kids are incredibly proud of and fascinated by.
  • Afternoon (Naptime):
    • The Script: Put a diaper on for their nap and say, "I’m going to put a diaper on you for nap because you’re still learning... When you wake up, we’re going to take it right off." [18]
    • Expectation: Do not panic if they don't poop today. Because pooping in a potty feels scary and different, they will likely hold it. It is entirely normal to go a day or two without a poop [19, 20].
  • Evening:
    • Taper fluids heavily 2 hours before bedtime [21].
    • Expectation: You will feel completely exhausted. Watching your toddler's crotch with 100% vigilance is incredibly draining. Plan for an easy dinner [22, 23].
🚦 THE TRIGGER TO MOVE TO PHASE 2:
Move to Phase 2 when your naked child can successfully sit and pee/poop on the potty (even if it is only because you prompted them), and you feel a sense of progress or hope [9, 24]. Perfection is not required [8].

👖 Phase 2: The Commando Phase (Block Two)

Estimated Time: Days 3 to 7+ (You will stay in Commando for about a month total, but the intense indoor learning happens here) [25].
Goal: Transition their new awareness into clothed, daily life with NO UNDERWEAR [25].
  • Morning:
    • Wait for a successful morning pee, then dress them in loose pants with zero underwear [25, 26].
    • The Script: Tell them, "The feeling of having to go pee..." to help them connect the physical sensation to the act of pushing their pants down [27].
  • Afternoon:
    • Expectation & Protocol: Accidents on the floor. The feeling of pants mimics a diaper. Do not view accidents as failures; they are "learning tools". Execute this 4-step sequence:
      1. Never say "It's okay": Toddlers are literal; this implies permission to pee on the floor.
      2. Reflection Script: Frown slightly and clearly communicate displeasure. State the negative action first: "You peed on the floor. No pee on the floor. Pee goes in the potty".
      3. Slow Cleanup: Make him an active participant (fetching towels, wiping) so he realizes cleaning up an accident takes significantly more time away from playtime than using the potty would have.
      4. Finish on the Potty: Physically place him on the potty to finish eliminating and build the mind-body connection.
    • Expectation & Protocol: Tantrums and Resistance. Usually hits around Day 2 or Day 3. You cannot win a power struggle with a toddler. If they kick and cry when prompted, use these de-escalation tools:
      • The Script: If they resist sitting, say, "I need to hear more pee." Toddlers love trying to produce the sound for you [33]. If they flat-out tell you "No" when you prompt, use a throwaway prompt and walk away: "Okay, I trust you to come tell me when you do. I'll be in the kitchen when you need me" [34].
        • Drop the Rope & Walk Away: A tantrum requires an audience. Use a throwaway prompt ("I see you have to pee. There's your potty.") and leave the room to diffuse the battle.
        • Manufacture Privacy: If they sit but refuse to release, suddenly "forget" something in the other room. Removing your glaring spotlight allows their sphincter muscles to relax.
      • Check Your Vibe: 90% of resistance is caused by hovering or overprompting. Take a deep breath and act casual so they don't smell your fear.
      • The Red Solo Cup Trick: If they resist the physical act of sitting, stand them up and let them pee directly into a plastic cup.
      • The Calm Jar: Hand a crying, restless child a water/glitter jar to shake; the visual distraction physiologically calms them down so they can release.
      • The Play-Doh Trick: If they are terrified of pooping, squeeze brown Play-Doh out of your fist to visually demystify how the anus holds and pushes out poop
  • Evening:
    • Keep utilizing "easy catches" (prompting during natural transitions like before and after dinner) [35].
🚦 THE TRIGGER TO MOVE TO PHASE 3:
Move to Phase 3 when you have a good handle on their "pee pattern" (how long they can hold it), and you feel confident that they can wear clothes around the house with relatively few accidents [36, 37].

🚗 Phase 3: Bracketed Micro-Outings (Block Three)

Estimated Time: Beginning toward the end of Week 1 and stretching through Week 4 [38, 39].
Goal: Safely generalize the potty skill to the outside world without creating an "indoor-only" potty user [39].
  • Morning:
    • Keep them commando. Ensure they sit for a successful morning pee.
    • Bracket a very small trip (e.g., a 15-minute walk around the block or a quick run to a store for one item) [28, 40].
    • The Script: Before opening the front door, say, "You need to pee before we leave the house, because I will not like it if you pee in the car." [41]
  • Afternoon:
    • Expectation: Keep the small potty chair in the trunk of your car. If your 15-month-old signals they need to pee (or says their cue word like "up"), you have about 5 to 10 seconds. Drop everything, pull over if you have to, and use the car potty [42-44].
  • Evening:
    • By this phase, you should no longer be hovering. You are watching, but you are largely relying on your child's natural rhythm and keeping the environment low-pressure [45].
🚦 THE TRIGGER TO MOVE OUT OF PHASE 3 (Introducing Underwear):
Do not rush out of this phase. Keep your child commando for about a month [25]. After about 3 to 4 weeks of consistent success, you can finally introduce underwear (Block 4) [46, 47].

🏫 Phase 4: The Day Care Transition (After Week 1)

Estimated Time: Beginning on your first day back to work and ongoing.
Goal: Integrate your child's new potty skills into their day care environment without creating confusion, even if the day care has strict rules.
Before you return, find out your day care’s potty training policy so you are not shocked on Monday morning [1, 2]. Day cares can be tricky to navigate, but you can maintain your progress by using specific hand-off routines.

Scenario A: The Day Care is Supportive (Commando Allowed)

If the day care allows your child to arrive in loose pants with no underwear, your primary goal is to transfer your child's trust to a specific teacher [3].
  • The Drop-Off Routine: When you arrive, take your child straight to the bathroom and show them the ropes [4]. If they don't allow a small potty chair in the room, ensure your child has access to the main bathroom [4, 5].
  • Assign a Teacher: Identify your child's favorite, most patient teacher. The Script: Tell your child clearly, while pointing to or discussing it with the adult: "This is who can help you use the potty today" [5, 6].
  • Set Intervals: It is perfectly fine if the day care takes your 15-month-old to the potty at set intervals (every 30 to 60 minutes). While you don't use this "interval" method at home, the "herd mentality" of taking a group of kids works wonders in a day care setting [6, 7].

Scenario B: The Day Care Insists on Diapers or Pull-Ups

Many day cares have a strict policy requiring diapers or pull-ups until the child is fully trained [8, 9]. Do not fight the day care to the point of making the provider anxious, as an anxious provider will derail the process [10]. Instead, create a strict boundary so your child learns that diapers are simply a "day care thing" [11].
  • The Drop-Off Routine: Take your child to the day care bathroom to pee, and put the diaper on while you are in the bathroom [12].
    • The Script: Be intentionally vague. Say, "This is in case there’s an accident. You should tug on [Teacher's Name]'s arm when you have to go pee." Say no more and no less. Do not explicitly give them permission to pee in the diaper [12].
  • The Pick-Up Routine: Immediately upon arriving to pick them up, take them to the day care bathroom for one last pee. Take the diaper off and throw it in the trash there [13].
    • The Script: Say, "We’re going home now, and you don’t use diapers at home. Remember to tell me when you are going to go pee." [13].

🗣️ Specific Day Care Scripts, Responses, and Expectations

What to Say to the Teachers (The Scripts):
  • To set expectations: Focus heavily on the successes you had over the weekend. If you walk in expecting a struggle, they will see one. The Script: "He’s doing great at home, but it’s okay to wear a diaper here since you don’t really handle potty training. I don’t want you to be nervous" [14, 15].
  • To address the "Spot Saving" issue: Ask the teacher to save your child's spot or toy when they go to the bathroom. Many accidents at day care happen because the child is afraid of losing the toy they were playing with [16].
  • To address hovering: If your child is holding their pee at day care, ask the teacher if they are hovering. The Script: "She does best when you don't stare at her. Could you try looking away or giving her a little privacy?" [17, 18].
What to Expect (The Realities):
  • Expect a physical signal to work better than words: A 15-month-old may be too embarrassed or lack the verbal skills to announce to a room that they need to pee [7, 16]. Instruct your child to use a physical signal, like tugging on the teacher's arm, or use the "up" vocal cue you established in Phase 1 [7, 19].
  • Expect to compromise on naps: Do not fight the day care over naptime diapers. Send the diaper and let it go [3].
  • Expect different behavior at home vs. school: Your child might be an absolute angel for the day care teachers and save all of their crappy, resistant behavior for you when they get home [20]. If you are having zero success at home, you can even ask the day care to try a diaper-free day to see if your child performs better for them [15, 20].
Why no stickers or rewards (Toggle for more)
The "Oh Crap!" potty training method strictly advises against using stickers, candy, or any other external rewards [1, 2]. The author views using the toilet as an expected, necessary life skill, much like learning to walk, and points out that you wouldn't give your child M&Ms for taking their first steps [3].
Here is why the method strongly discourages rewards and sticker charts:
  • Toddlers lack the cognitive logic for charts: A toddler simply does not possess the long-term thought process needed to understand a sticker chart (e.g., "I have four stickers; three more, and I get a prize") [4, 5].
  • It creates massive power struggles: Offering a reward can quickly slip into bribery ("I’ll let you watch Elmo if you sit and pee for Mommy") [6]. This creates a situation where the child can withhold their pee or poop just to negotiate for a better treat, which the author notes is a recipe for full-blown potty training nightmares [4, 7].
  • Kids will manipulate the system: Toddlers are smart, and many will learn to intentionally "meter out" their pee and poop into multiple tiny sessions throughout the day just to cash in on more candy or rewards [4].
  • The stakes constantly have to be raised: Rewards get "sticky" because in order for them to remain effective over time, you have to continually increase the payoff [8]. It sets a dangerous precedent where your child may eventually expect to be rewarded for every basic expected behavior [8].
What you should use instead of rewards:
The ultimate goal is for your child to develop an internal sense of pride and self-mastery [9]. To encourage them naturally, you can offer verbal praise ("You did it!"), a high-five, or let them do the highly coveted task of carrying their little pot to dump the contents into the big toilet—a process most kids are incredibly proud of and fascinated by [10-12].
Two Quick Exceptions/Workarounds:
  • If your daycare uses rewards: Let the daycare do what they need to do to manage a classroom, but stay steady with your no-reward policy at home. If your child asks for a sticker or treat at your house, simply tell them, "Oh, no. That only happens at school, honey" [13].
  • If you already started using rewards and want to stop: The author's advice is to stop cold turkey [14]. You can explain it to your child casually by stating, “Nope. We don’t do that anymore. Mom and Dad go pee and poop in the toilet. This is what people do. We don’t give rewards anymore" [14].

 
👉
For more, check out Oh Crap! Potty Training by Jamie Glowacki.

We use affiliate links that help you support this page at no extra cost to you.
 

For more content like this, subscribe below 👇


 

 
You're reading one entry from my personal journal.
Explore all notes here.
I share notes on purposeful living, exploring relationships, parenting, and health, beyond my work as an innovation adviser. (And yes, I chose the ‘Wu Wei’ because it's also a cheesy pun on my last name!)
 

FAQs on What is the Oh Crap Potty Training Method

What are the blocks in Oh Crap potty training?

The blocks are sequential learning phases. Block One is the naked phase for initial awareness. Block Two is going commando (no underwear). Block Three is outings. Blocks Four and Five are self-initiation, and Block Six is night training.

What is the best age for the Oh Crap potty training method?

The author suggests the ideal window is between 20 and 30 months. However, the method can be adapted for younger toddlers (as young as 15 months), but it requires adjusted expectations, particularly a longer timeline.

How long does the Oh Crap potty training method take?

For most children in the 20-30 month range, the core learning happens in a few days to a week. For younger children, like a 15-month-old, parents should realistically expect the process to consolidate over a month or more.

When should you not use the Oh Crap potty training method?

You should not use this method if you cannot commit to a few days of intense, focused attention at the beginning. It is also not recommended to start during a major life transition, such as the birth of a sibling, moving, or starting a new daycare.