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

The defeat was a buzzkill for a Rams team that had rebounded from a 1-4 start to defeat the Las Vegas Raiders, Minnesota Vikings and Seattle Seahawks.

From Los Angeles Times

Kicking off the season in September was the aptly titled “Buzzkill,” which opens with a pilot losing control of his small plane after flying into a massive swarm of bees.

From Los Angeles Times

Without spoiling anything more, “Buzzkill” utilizes Nikolai Rimsky-Korsakov’s “Flight of the Bumblebee” as a memorable needle drop.

From Los Angeles Times

But “Buzzkill” is completely newcomer-friendly.

From Los Angeles Times

One issue for Rubio, however, is our buzzkill of a Constitution, which prohibits electors from voting for both a president and a vice president who are from their own state.

From Slate