Top Definition
Fyfo is an acroynm for Fuck ya face off. Commonly used in utter disapproval, hate rage, or just to be a dick. Replaces the old saying, "Wipe that smirk off your face."
Dude1: You think that's funny? Wipe that smirk off your face!!!

Guy2: Fyfo fuck ya face off first.
by Nate Blaze June 29, 2011
1 more definition
8 Words related to FYFO
(fife-oh) n. A woman who is attractive from afar but once seen up close is quite the opposite. (F)ifty-(Y)ard (F)ake (O)ut.

Etymology: A football move from 50 yards away which causes a player on the opposing team to commit toward the wrong side of the field.
It was a good thing my bus sloshed mud onto that fyfo because I was considering making contact with her.
by Madmardigan June 25, 2004

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