FCLF = Fucking Cock Loving Fagget
Basically a person whos being a real bitch, and needs a stream of profanity directed towards them before they can realize how fucking soft they're acting
Danny: Cmon Rolf, lets go get some beers and watch the basketball game
Rolf: I can't, I need to consume less calories so I can stay in shape
Danny: Stop being a FCLF brah and lets go!
Rolf: yeah ok your right! Hellz yeah!