Top Definition
The one person at a party that completely obliterates the vibe or mood of the party by saying something completelty stupid and or un-called for. Or the one person no one wants at a party.
You just spilt all of our alcohol...Way to go, sergeant buzzkill!!!

O shit, funs over. Here comes Sergeant Buzzkill!
by Jason Cass July 10, 2008
5 Words related to Sergeant Buzzkill

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