Shorthand for best be off

Especially used while instant messaging, as a way to end a conversation.
"Sorry Karen but I bbo, gotta get dinner. Ttyl!"
by Cuppcakes March 03, 2008
"Bible Black Orgasm" - a very grunty type of orgasm depicted in the anime series "Bible Black"
guy1: omg that chick is hot!
guy2: imma bbo
guy2: ughhhhhh!!!!!!!!!!!!!!!!! (bbo)
by SiN486 September 04, 2005
shorthand for Bridge Base Online,the most popular and best free website for bridge players in the world.
Tom:Would you please log in to BBO to play a few hands,Bill?

Bill:Why not?
by [Young] ZHENG April 21, 2008

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