1 definition by somebodyhadtosayit

Top Definition
when someone or something completely ruins the fun of a moment. this can include anything, but the primary sources come from irritating girlfriends, cops, and running out of booze
The cops busted the party. It was a complete buzz kill.

"Zeke's girlfriend, Becky, was such a buzz kill."

It rained during the volleyball tournament. Kind of a buzz kill...
by somebodyhadtosayit February 18, 2010
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