Someone who always needs to poop and often does not make it to the toilet. They tend to smell pretty badly.
Usually a Poopi Boi is named Zachary, Jeremiah or some weird combination of the two names.
PERSON 1: Zack pooped his pants AGAIN
PERSON 2: ugh he’s literally a poopi boi
by Faaaaarts McGee November 23, 2021
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a boy who flys around and poops all over the city of TORONTO the second worst super vilan
fdgfdfdsfsfdsfdsfdsffdf poopy boy
by thepoopy101 April 12, 2021
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Poopy-Boi Is An Insult That Means Someone Who Did Something Bad Or Someone That You Hate
The Insult Is Also Used By Joey Tugf Alot
Kms Such A Poopy-Boi
I Know Right Yesterday He Flushed My Toilet Water. That Poopy-Boi

Ninja Found A Real Poopy-Boi On Fortnite Yesterday, Did You See?
Yes. Yes I Did See. He Was Such A Poopy-Boi. He Broke Ninjas Base Down Onto A Trap
by Joey Tugf September 2, 2018
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A boy who wears a poopy diaper and is proud of it.
Fred: Did you see Steve wearing that feces filled diaper yesterday?
Mike: Yeah, he is a poopy diaper boy.
by Idkmane July 16, 2017
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