Top Definition
Instant messaging language used among IT Administrators indicating that you will be right back, but you will be on your Blackberry to continue your conversation or be reached.
Chris: A user in accounting just broke their printer again!
John: That sucks - have you tried the new Mario game?
Chris: No, whats it like? - brb bb
by nerino1 November 25, 2009
5 Words related to brb bb

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