A person or persons who prefer to attend pools and pool areas under the cover of darkness to pass bowel movements.
by Doofus Rick September 20, 2022

Hanna Tuulonen
Hanna Tuulonen just refused me to play Wagner for the workers in our yard, she’s such a Party Pooper!
by The trutharian March 12, 2020

by Corginess sparkle December 16, 2018

brent: ' i took a poop in a city intersection and an elevator yesterday
friend: ' you are a creative pooper brent
brent: you have no idea
friend: ' you are a creative pooper brent
brent: you have no idea
by ironrooster November 16, 2017

a nickname given to Asher, an alter from The A System on TikTok. On Twitch, one alter went to the bathroom and Asher came back. Therefore creating the nickname “primary pooper”
by amandaloves1d8 August 28, 2021

by sunabloom69 August 20, 2022

Someone who ruins a party and/or makes it no fun, as in throwing away the beer or draining the pool in the backyard.
Man, that guy's a real party pooper. He told on us to my parents, who got mad at me and stopped the party.
by DefBruh March 17, 2016
