- Why are you talking about the next test already? Stop being a buzzkill and enjoy the party.
buzzkill
compounding noun
One who brings down a pleasant mood or conversation with an inappropriately somber contribution. It is used casually when conversation is flowing smoothly, morale is high, and the mood is relaxed, and one person abruptly changes the direction of the conversation with an inappropriate comment. Usually, someone else in the conversation points out the inappropriate comment and deems the person who said it as a buzzkill.
Etymology : Compounding “buzz” + “kill”
Source : 2010, dinner conversation with roommate
Last modified: 9 December 2010