500+ Knock Knock Poop Jokes: That Will Have You Rolling.

If you think bathroom humor is just for kids, think again! Knock knock poop jokes are goofy, silly, and surprisingly universal. Whether you’re trying to get a classroom laughing, text your best friend something ridiculous, or just need a mid-day giggle, these jokes are your secret weapon. They’re easy to remember, quick to tell, and guaranteed to get at least one person saying, “Eww… but also LOL.”

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1. Classic Knock Knock Poop Jokes

1. Knock knock. Who’s there? Poo. Poo who? Don’t cry, everyone poos!
2. Knock knock. Who’s there? Dung. Dung who? Dung forget to flush!
3. Knock knock. Who’s there? Toilet. Toilet who? Toilet you I’m in the bathroom!
4. Knock knock. Who’s there? Pee. Pee who? Don’t cry, it’s just pee!
5. Knock knock. Who’s there? Wipe. Wipe who? Wipe your feet, not your… never mind.
6. Knock knock. Who’s there? Flush. Flush who? Flush you, I’m busy!
7. Knock knock. Who’s there? Stink. Stink who? Stink you very much!
8. Knock knock. Who’s there? Brown. Brown who? Brown stuff… oh no!
9. Knock knock. Who’s there? Loo. Loo who? Loo’s control, gotta go!
10. Knock knock. Who’s there? Plop. Plop who? Plop goes the weasel!

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2. Kids’ Favorite Knock Knock Poop Jokes

1. Knock knock. Who’s there? Poo bear. Poo bear who? Poo bear my toy!
2. Knock knock. Who’s there? Number two. Number two who? Eww!
3. Knock knock. Who’s there? Potty. Potty who? Potty time!
4. Knock knock. Who’s there? Doo. Doo who? Doo you smell that?
5. Knock knock. Who’s there? Bum. Bum who? Bum-bum-bum, Batman!
6. Knock knock. Who’s there? Wiper. Wiper who? Wiper hands, I made cookies!
7. Knock knock. Who’s there? Stinky. Stinky who? Stinky in here, isn’t it?
8. Knock knock. Who’s there? Flushy. Flushy who? Flushy before it overflows!
9. Knock knock. Who’s there? Poop deck. Poop deck who? Pirate talk, matey!
10. Knock knock. Who’s there? Log. Log who? Log out of the bathroom!

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3. Silly Bathroom Knock Knock Jokes

1. Knock knock. Who’s there? Toilet paper. Toilet paper who? Toilet paper your neighbor’s house!
2. Knock knock. Who’s there? Splash. Splash who? Splash zone — cover up!
3. Knock knock. Who’s there? Ploop. Ploop who? Sounds like beans were involved!
4. Knock knock. Who’s there? Sewer. Sewer who? Sewer you going so fast?
5. Knock knock. Who’s there? Rest. Rest who? Rest-room, of course!
6. Knock knock. Who’s there? Tank. Tank who? Tank you for flushing!
7. Knock knock. Who’s there? Paper. Paper who? Paper hands, I just washed them!
8. Knock knock. Who’s there? Plunger. Plunger who? Plunger nose, it’s cold!
9. Knock knock. Who’s there? Dump. Dump who? Dump you wish you could go now?
10. Knock knock. Who’s there? Pot. Pot who? Potty training success!

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4. Gross-Out Knock Knock Poop Jokes

1. Knock knock. Who’s there? Ew. Ew who? Ew, that smell!
2. Knock knock. Who’s there? Gas. Gas who? Gas you ate beans again.
3. Knock knock. Who’s there? Drip. Drip who? Drip it quick, it’s leaking!
4. Knock knock. Who’s there? Splashy. Splashy who? Splashy not to tell!
5. Knock knock. Who’s there? Doodle. Doodle who? Doodle not open the door!
6. Knock knock. Who’s there? Fart. Fart who? Fart you glad I didn’t say poop?
7. Knock knock. Who’s there? Smelly. Smelly who? Smelly like trouble!
8. Knock knock. Who’s there? Toilet duck. Toilet duck who? Toilet duck and cover!
9. Knock knock. Who’s there? Flushman. Flushman who? Flushman to the rescue!
10. Knock knock. Who’s there? Blob. Blob who? Blob, it’s in the bowl!

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5. Flirty Knock Knock Poop Jokes

1. Knock knock. Who’s there? Number two. Number two who? Number two cute to ignore.
2. Knock knock. Who’s there? Flush. Flush who? Flush you, handsome.
3. Knock knock. Who’s there? Wipe. Wipe who? Wipe away my sadness when you text me.
4. Knock knock. Who’s there? Poo. Poo who? Poo better believe I like you.
5. Knock knock. Who’s there? Potty. Potty who? Potty with me tonight?
6. Knock knock. Who’s there? Toilet. Toilet who? Toilet you how much I care.
7. Knock knock. Who’s there? Paper. Paper who? Paper heart belongs to you.
8. Knock knock. Who’s there? Dung. Dung who? Dung deal, you’re mine.
9. Knock knock. Who’s there? Seat. Seat who? Seat you later, cutie.
10. Knock knock. Who’s there? Flushy. Flushy who? Flushy cheeks when you smile at me.

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6. Animal-Themed Knock Knock Poop Jokes

1. Knock knock. Who’s there? Cow poo. Cow poo who? Cow poo is still poo.
2. Knock knock. Who’s there? Bird poop. Bird poop who? Bird poop lands anywhere!
3. Knock knock. Who’s there? Dog doo. Dog doo who? Dog doo it on the lawn!
4. Knock knock. Who’s there? Horse manure. Horse manure who? Horse manure you joking?
5. Knock knock. Who’s there? Goat poop. Goat poop who? Goat poop in my boots!
6. Knock knock. Who’s there? Bunny pellets. Bunny pellets who? Bunny pellets are tiny!
7. Knock knock. Who’s there? Cat litter. Cat litter who? Cat litterally stinks.
8. Knock knock. Who’s there? Pig mess. Pig mess who? Pig mess is everywhere!
9. Knock knock. Who’s there? Llama droppings. Llama droppings who? Llama droppings on my porch!
10. Knock knock. Who’s there? Bear scat. Bear scat who? Bear scat is nature’s way.

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7. Food-Related Knock Knock Poop Jokes

1. Knock knock. Who’s there? Taco. Taco who? Taco ’bout needing the bathroom!
2. Knock knock. Who’s there? Burrito. Burrito who? Burrito fast to the toilet!
3. Knock knock. Who’s there? Bean. Bean who? Bean there, done that.
4. Knock knock. Who’s there? Chili. Chili who? Chili made me run!
5. Knock knock. Who’s there? Cheese. Cheese who? Cheese sliding out!
6. Knock knock. Who’s there? Curry. Curry who? Curry up, it’s urgent!
7. Knock knock. Who’s there? Donut. Donut who? Donut block the bathroom!
8. Knock knock. Who’s there? Spaghetti. Spaghetti who? Spaghetti spill everywhere!
9. Knock knock. Who’s there? Pepper. Pepper who? Pepper pants!
10. Knock knock. Who’s there? Ice cream. Ice cream who? Ice cream when I can’t find TP!

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8. School-Themed Knock Knock Poop Jokes

1. Knock knock. Who’s there? Teacher. Teacher who? Teacher can’t save me now!
2. Knock knock. Who’s there? Homework. Homework who? Homework my stomach!
3. Knock knock. Who’s there? Math. Math who? Math room, please!
4. Knock knock. Who’s there? Science. Science who? Science says it’s natural!
5. Knock knock. Who’s there? Principal. Principal who? Principal bathroom rule: flush!
6. Knock knock. Who’s there? Desk. Desk who? Desk is making me dance!
7. Knock knock. Who’s there? Bell. Bell who? Bell ring before I run!
8. Knock knock. Who’s there? Pencil. Pencil who? Pencil rolling off the desk… oops!
9. Knock knock. Who’s there? Class. Class who? Class dismissed, I gotta go!
10. Knock knock. Who’s there? Book. Book who? Book it to the bathroom!

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9. Holiday Knock Knock Poop Jokes

1. Knock knock. Who’s there? Santa Poo. Santa Poo who? Santa Poo is coming to town!
2. Knock knock. Who’s there? Easter Poo. Easter Poo who? Easter Poo hides eggs!
3. Knock knock. Who’s there? Halloween Poo. Halloween Poo who? Halloween Poo is scary!
4. Knock knock. Who’s there? Turkey Poo. Turkey Poo who? Turkey Poo after Thanksgiving!
5. Knock knock. Who’s there? Valentine Poo. Valentine Poo who? Valentine Poo loves you!
6. Knock knock. Who’s there? New Year’s Poo. New Year’s Poo who? New Year’s Poo-lutions!
7. Knock knock. Who’s there? July Poo. July Poo who? July Poo firecrackers!
8. Knock knock. Who’s there? Leprechaun Poo. Leprechaun Poo who? Leprechaun Poo’s gold!
9. Knock knock. Who’s there? Wedding Poo. Wedding Poo who? Wedding Poo vows!
10. Knock knock. Who’s there? Birthday Poo. Birthday Poo who? Birthday Poo cake surprise!

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10. Random & Ridiculous Knock Knock Poop Jokes

1. Knock knock. Who’s there? Wi-Fi. Wi-Fi who? Wi-Fi I’m in the bathroom!
2. Knock knock. Who’s there? Netflix. Netflix who? Netflix and poo!
3. Knock knock. Who’s there? Phone. Phone who? Phone a plumber!
4. Knock knock. Who’s there? Clock. Clock who? Clock is ticking, hurry!
5. Knock knock. Who’s there? Game. Game who? Game over for my stomach!
6. Knock knock. Who’s there? Song. Song who? Song and dance to the toilet!
7. Knock knock. Who’s there? Car. Car who? Car won’t start, but I gotta go!
8. Knock knock. Who’s there? Door. Door who? Door you mind if I go first?
9. Knock knock. Who’s there? Rain. Rain who? Rain or shine, I need the bathroom!
10. Knock knock. Who’s there? Light. Light who? Light a match in here!

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Conclusion: Potty Humor Done Right

From cute to gross, from school-friendly to flirty, these knock knock poop jokes are proof that even the simplest humor can make people laugh. So next time you want to break the ice, cheer up a friend, or just share something ridiculous, keep these jokes in your back pocket (just not your back pocket toilet paper)