poopybutt 

the best insult in the world to really get to your younger siblings.

younger sibling: *comes into your room and invades your privacy*
you: GET OUT YOU POOPYBUTT

poopybutt by Ya Gurl Vv April 30, 2020

poopybutt 

Someone who is generally stubborn, hard-headed, incorrigible, cantankerous, or otherwise recalcitrant.

I was so upset with Ben this morning, he was being a real poopybutt.

poopybutt by pilotkid May 4, 2009

poopybutt 

butt being poopy

my butt is going all over the place

poopybutt by meatstupid June 4, 2003

Poopybutt 

When you poop in a girls butt and eat it after

I gave her a poopybutt last night

Poopybutt by Jeffyboy123 November 24, 2018

PoopyButt 

When some is being stupid or annoying

Alex:Yooo Paula is such a poopybutt💀
Carl:Facts broskiee😭

PoopyButt by 🦋💎 May 8, 2019

PoopyButt 

The baddest bitch of em all....Jeffy is a person who gives no fucks about shit...he hates his dad....he loves cereal...somtimes jeffy can be very stupid but can lighten your day with his average life

PoopyButt

PoopyButt by Stinky Diaper 7 December 5, 2019

poopybutt 

very spactacular. best word ever. very useful to say after "guess what?"

Person 1:"Guess what?!"
Person 2:"What."
Person 1:"Poopybutt!"

poopybutt by rat_GaRbAgE September 8, 2022