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8.
Before ejaculating on your partners face, shove a handful of confetti in your anus. After ejaculating quickly turn around and fart out the confetti on your partners face causing it to adhere to the semen. Often followed up by the male yelling "Surprise!"
I had leftover confetti in my house so what else would I do? I gave her a party pooper of course.
by papasmurff September 19, 2010
 
1.
A person who ruins a party by either stopping the fun or not participating in a certain activity.
Jeff is a party pooper because he won't play Spin The Bottle.
by Special July 18, 2004
 
2.
A person that ruins a festive moment with their attitude.
Jan is such a party pooper, but we went on with out her!
by Runic Pride August 02, 2006
 
3.
A young intoxicated adolescent girl who shows up to a suburban house party and takes a manly shit on the floor of the house.
I walked into the bathroom and found a girl covered in her own fecal matter. She was clearly a party pooper.
by Polly Pinecrest January 07, 2008
 
4.
A person who goes to parties, but kills the mood by not having a good time and sitting in a corner texting on their phone. And end's up leaving earlier than anyone else.
"Hey Danelia, what's up? Having a good time?"
"yea... having an awesome time.. just here by myself...(looks at phone to see if new messages came in)"
"Wow... you're such a Party Pooper"
by DannyBv3 February 14, 2010
 
5.
One who breaks up or ruins a party through a variety of means. Possible ways of dispersing or destroying a party include but are not limited to: calling the authorities, stories involving octogenarian sexual intercourse, Jennifer Aniston movies.
Rich: Oh no, Larry! Here comes Harold.

Larry: He's probably going to come over here and talk about his wife. She just died. God, what a partypooper.

Rich: What a selfish bastard! What makes him think we care about that?
by The Master of Unlocking December 28, 2009
 
6.
That guy at the party that takes a dump, clogs the toilet, and leaves the party right after.
That fucker Melvin, took a shit, clogged the toilet, and left right after. What an party pooper!
by DJ Clittle May 30, 2011
 
7.
Someone who ruins fun by not participating in a certain activity even though they were given advance notice.

a tall, talented bike rider who wears tight jeans
jarrett moore is a fucking party pooper, were going to lucky and he won't come cause he has to stuuuuudy the next day.
by Wink Genious October 24, 2009