Top Definition
B.Y.O.F.S or Bring Your Own Fucking Shit is the way to respond to the office mooch when he wants to come to a party you are having.
Mooch: Dude I heard you were having a party.

You: Not really a party. Just some guys coming over to watch the game.

Mooch: Sweet I'll be there at 2.

You: Ok, but just so you know its B.Y.O.F.S. cause I'm not buying any shit for you!
by BOHICA2010 August 23, 2008
5 Words related to B.Y.O.F.S.

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