A male who enjoys pleasure up the ass. May refer to him being homosexual or just liking anal. Also could be a boy wanting threshold.
Susie: Ohh I wanna tap Henry, maybe i should seduce him tonight.
Bridget: Not Henry! Hes a bumboy!
Susie: I didn't know he swings that way. What a shame, hes so good looking.
Bridget: Not Henry! Hes a bumboy!
Susie: I didn't know he swings that way. What a shame, hes so good looking.
by Amanda.k May 24, 2008