FWB (acronym) Type: noun, acronym Pronunciation: /f-w-b/ Also spelled: F.W.B. Related: Friends with Benefits What does FWB mean and stand for? Friends With Benefits. Example sentence: “I’m seeing my FWB tonight.” FWB in songs: “Its funny before y’all started dating, She was talking bout being FWB” – Bradak, Killshots. more terms starting with “F”