2 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.

Often used by pilots to as a synonym for 'flight'.

1) Let's go aviate in my new Piper Cherokee!

2) Today's weather ain't that good for aviating.