It means Bye Bye..
BB = Ball Bearing. It a form of Shot, used by shotguns.
"how to" is "comment", I don't know what you mean by "bb".
Oh, and I mean A+B+C=BB
Bb is B flat as typed on a keyboard.
The BB stands for British Broadcasting. The C is for Corporation.
A bb is a "base on balls" also known as a walk
its the tyoe of gun
You cock the BB gun without loading any BB's into it just air.
Bb
How are you Baby?
BB probbly stands for Brigitte Bardot, who was a famous actress.