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19. bb
The word "BB" is an abbreviation of "Bulletin Board" commonly referring to the php Bulletin Board.

phpBB is a popular Internet forum package written in the PHP scripting language. Available under the GNU General Public License, phpBB is free software.

Some communities have adapted the 'bb' abbreviation at the end of their website to let the community know they are running a bulletin board (usually phpBB).
www.warez-bb.org (Warez Bulletin Board)
www.securitybb.org (Security Bulletin Board)
www.pornbb.org (Porn Bulletin Board)
www.phpbb.com (PHP Bulletin Board)
1. bb
Netspeak for baby, most likely used at the end a phrase as an added emphasis or exaggeration.
Those r sum nice eyes uv got der, bb.
2. bb
Short for "baby", used by men on cam websites when their right hand is too busy to reach for the Y key.
turn around bb
3. BB
Short for "baby".
Usually used on the internet on forums, comments, profiles, messages, IMs etc.
"Hey, bb!" i.e. "Hey, baby!"
4. BB
Beef Blower. Usually refers to girls.
That girl over there is a major BB.
5. BB
A shortened form for "BlackBerry".

Pronounced "bee bee", even when talking in Spanish.
My friends tell me to hurry and get a BB so we can chat on BB messenger.

Searching for "BB" on Wikipedia will take you to a disambiguation page that lists BlackBerry as one of its meanings.
6. BB
Big Brother, the TV show.
Who won BB 12? -Hayden.
7. BB
Bubble But
Andy: wow look at BB Bradderz

Matt: God she has a large round arse
Haytham: I would so grab that BB with both hands.
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