Someone who ruins a party by not participating in something, or not making the party not fun in some way. Or doing stupid stuff to get attention and accidentally doing something bad and now everybody hates you even more.
by AQUALIME April 11, 2021

by MichaelTodd December 29, 2003

Guy 1: can you make a youtube poop with 7 Grand Dad in it?
Youtube Pooper: thats actually what im working on
Guy 1: nice!
Youtube Pooper: thats actually what im working on
Guy 1: nice!
by Malleo Malleo August 31, 2022

Someone attending a bitchin' party and pulls a fucking gun when it's at it's best, and makes everyone leave.
Other pronunciations, "Faggot"
Other pronunciations, "Faggot"
Derek: Yo TJ, that party last night was off the chain, i was gettin' some from this one girl.
TJ: What was her name, again?
Derek: I don't know, that guy pulled a gun and ruined the party before I could even talk to her.
TJ: Man, what a party pooper.
TJ: What was her name, again?
Derek: I don't know, that guy pulled a gun and ruined the party before I could even talk to her.
TJ: Man, what a party pooper.
by not_Partyin'! October 4, 2010

After i got done lickin christinas peppermint pooper i took a hearty shit on her forehead then proceeded to rub my balls all over it
by randall pink September 3, 2008

by Crisaliz October 13, 2007

The act of applying feces to one's hand and then performing a "scooping" action to another person's nipple, leaving a fecal residue smear covering the nipple area.
Frederick calmly walked up to Jonathan and swiftly used a Pooper-Scooper move upon Jonathan's right nipple, smearing a smelly fecal coating of poop on Jonathan's nipple.
by cajackel July 10, 2010
