the best insult in the world to really get to your younger siblings.
younger sibling: *comes into your room and invades your privacy*
by Ya Gurl Vv April 30, 2020
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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.
by pilotkid May 4, 2009
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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
by Stinky Diaper 7 December 6, 2019
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When some is being stupid or annoying
Alex:Yooo Paula is such a poopybutt💀
Carl:Facts broskiee😭
by 🦋💎 May 9, 2019
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When you poop in a girls butt and eat it after
by Jeffyboy123 November 24, 2018
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very spactacular. best word ever. very useful to say after "guess what?"
Person 1:"Guess what?!"
Person 2:"What."
Person 1:"Poopybutt!"
by rat_GaRbAgE September 8, 2022
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