A fork of Rural Dictionary
b.b stands for booty breath, b.b is when someone's breath has an unpleasant odor or smells like booty
guy 1: Ughh man this guy has a serious case of B.B
guy2: I know his breath smells so bad
Short for Beyond Birthday, who is a fictional character in Death Note's Another Note: The Los Angeles BB Murder Cases.
"Beyond Birthday, the final B.B."
stands for Beer Buddy which is the trash can that aids you in not puking all over the floor while stumbly.
After drinking a 12 pack of budlight we had to find megan a B.B. so she didnt stain my carpet.