party pooper

or par·ty-poop·er

[ pahr-tee poo-per ]
See synonyms for party pooper on Thesaurus.com
nounSlang.
  1. 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!

  2. 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.

Origin of party pooper

1
First recorded in 1940–45; poop3 + -er1

Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2024

British Dictionary definitions for party pooper

party pooper

/ (ˈpuːpə) /


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

Origin of party pooper

1
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