Definitions by MaddieClip

FBF 

Fuck buddy friend. Someone who you use purely for sex.

Eric: "So do you like Butters then?"
Kyle: "No, not at all. She's just an FBF."
Eric: "Woah, that's harsh, she seems really nice but I guess I would too. Chins up."

FBF by MaddieClip December 14, 2009