It comes from teh popular term,
BDUSSY. Which is the smell of BOOTY, DICK, and PUSSY.
So basically if the smell of BDUSSY is so intense, its a
BDUSSY BOMB
"Aww
snaps, it hella smeels like someone dropped a
BDUSSY BOMB in there"
"bill was experiementing with hot
carls last night and now is whole house smelles like it was hit by the BDUSSY BOMB"