party pooper

or par·ty-poop·er

[ pahr-tee poo-per ]
/ ˈpɑr ti ˌpu pər /
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noun Slang.
a person who does not have the interest or vitality to participate actively in a party or other social activity and whose mood, attitude, or personality lessens others' enjoyment; killjoy: Don't be a party pooper—have a beer!
a person who does not share the opinions, ideas, or enthusiasm of others in a group: There are party poopers who say the drop in gas prices won’t last. I don’t mean to be a party pooper here, but I didn’t find the movie all that funny.
Should you take this quiz on “shall” versus “should”? It should prove to be a quick challenge!
Question 1 of 6
Which form is used to state an obligation or duty someone has?
Also called poop.

Origin of party pooper

First recorded in 1940–45; poop3 + -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2022

How to use party pooper in a sentence

British Dictionary definitions for party pooper

party pooper
/ (ˈpuːpə) /

informal a person whose behaviour or personality spoils other people's enjoyment

Word Origin for party pooper

C20: originally US
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012