party pooper

noun

party poop·​er -ˈpü-pər How to pronounce party pooper (audio)
Synonyms of party poopernext
: a person who refuses to join in the fun of a party
broadly : one who refuses to go along with everyone else

Examples of party pooper in a Sentence

Don't be such a party pooper! a party pooper who insisted they turn the music down
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
But none of the Premier League’s refs or growing cohort of specialist VARs revel in the role of party pooper. Graham Scott, New York Times, 10 Apr. 2026 But in their quest to make history, the guests turned into party poopers. The San Diego Union Tribune, San Diego Union-Tribune, 1 Sep. 2025 In the co-main event, Zhang Mingyang proved to be the ultimate party pooper. Brian Mazique, Forbes.com, 27 Apr. 2025 Despite his literal change of heart, the Grinch continues to symbolize holiday party poopers everywhere. Mike Miller, People.com, 19 Dec. 2024 Mosquitoes are, in fact, hellish little bugs that take the gold for summer’s biggest party poopers. Katie Camero, SELF, 25 July 2024

Word History

Etymology

poop entry 1 + -er

First Known Use

1947, in the meaning defined above

Time Traveler
The first known use of party pooper was in 1947

Browse Nearby Words

Cite this Entry

“Party pooper.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/party%20pooper. Accessed 21 Apr. 2026.

Kids Definition

party pooper

noun
party poop·​er -ˈpü-pər How to pronounce party pooper (audio)
: one who spoils the pleasure of others especially at a party : killjoy
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!

More from Merriam-Webster