buzzkill

or buzz kill

[ buhz-kil ]

noun

, Slang.

1. a person or thing that spoils the mood or the pleasure of others:

   Enforcement of strict park rules could be a buzzkill for concertgoers.

buzzkill

/ ˈbʌzˌkɪlə; ˈbʌzˌkɪl /

noun

1. slang.
   someone or something that stops people from enjoying themselves

Word History and Origins

Origin of buzzkill¹

First recorded in 1990–95; buzz ( def ) (in the sense “feeling of excitement”) + kill ¹( def ) (in the sense “to spoil”)

Example Sentences

Forgive me for being a buzzkill, but unless we can institute a functional vaccine passport system, which appears unlikely, I do not think it is wise to assume that every unmasked individual is fully dosed.

From Time

All across the Internet, headlines are screaming Buzzkill and Marijuana Makes Young Brains Go to Pot.

From The Daily Beast

She then warns Russia to leave Ukraine alone, to which “Putin” replies, "Whoa, hey Capt. Buzzkill!"

From The Daily Beast

Also possibly featuring a woman in a bikini or a woman being a buzzkill.

From The Daily Beast

Condoms help prevent STDs and pregnancy, but they sure are a buzzkill for the adult industry.

From The Daily Beast