Definitions by Gendrik Fillimore Adam Cormal
GFaC
GFaC means Go Fuck a Cow. It is widely considered a step above the common insult 'Mother-fucker', due to the fact GFaC involves fucking a cow.
Roger: You are so annoying Melissa, why don't you just fuck yousfelf?
Melissa: Why don't you just GFaC?
Roger: Shit, I've been owned.
Melissa: Why don't you just GFaC?
Roger: Shit, I've been owned.
GFaC by Gendrik Fillimore Adam Cormal September 3, 2013