An acronym/nickname for a sleezy night club fully translates to the Dirty Fucking Club. This term is reserved for night clubs that hold themselves to be super luxurious when in fact they are barely one step up from a strip club or a disco on a cruise ship.
Jody: “Hey, I thought you were going out with Tom tonight?”
Jenna: “Oh no, that douche bag is up in the D.F.C. again tonight!”