shortened version of "freshman mafia", another word for cigarette.
frshman (fre'): cigarette
sophomore (sopha): gold & mild
junior (jr mob): black & mild
senior (scene): cigar
A) "Hey man, can i bum a cig from you?"
B) "Sorry man I'm out of fre's, too!"
A) "Well, it's fre' time, what are we going to do?"
B) "I guess I'll run to the store."
A)"Could you get me a fre' flame also?"