In the comedy TV show (Danish) the group of friends who live on the bottom floor of a maisonette they share with a group of academic high-achievers who live on the top-floor. (Up Stairs Crew). The B.F.Gs was the name given to them by the USC in the second episode.
The TV show was originally aired on 21st September 2011.
Rose (B.F.Gs): "We're going out to dinner tonight"
Charlotte (USC): "Meehh thut thut, we got Buffalo Bills reserved for 3 instead, see you later!"