B-A-V is an acronym for bisexual asshole voyager. It is a male who has had sex with another male and now only engages in anal sex no matter if it is with a male or female. The phrase originates from the University of Michigan during the mid 00's when LGBT culture was gaining popularity.
"Ever since George got with Steven hes become a total B-A-V"
Bro with a vagina.
Your best girl friend that's not your girlfriend.
Nah, we're not dating. She's my b with a v.
b&v need to fuck no matter what
did you know b&v did it last night