Guy 1: Everyone remember to bring your baf tonight
Guy 2: Sorry man, I think I forgot my baf in between the wrinkles of Steve Harvey's forehead Guy 1: what the fUcK man we not homies any more
Acronym for Boy's a Faggot. We've all had a friend who is just such a total and complete faggot. You call out BaF to your friends when he demonstrates faggotry.