A person that you are not a couple with, but you occasionaly fuck when your bored and horny.
Dee: Are you two going out?
Steve & Emily: No.
Dee: Then why do you fuck all the time?
Emily: Cause we're fuck buddies.
Steve: Emily, You're the best fuck buddy ever *smiles like an idiot*
Datingsomeone just to get in their pants then dumping him or her, usually in persuit of another piece.
Well, first you FUCK (decidedly in and out motion), and then you FLEE the scene.
"you dating Carissa?"
" yeah but its just a fuck & flee deal, nothing big."