to say "brb" just to exit a conversation
"he hasn't come back in an hour...fucker brb ditched me."
by alivealivealive October 17, 2009
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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
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Often employed by females when talking to others (usually males) online, when they no longer wish to speak with that person but don't want to actually tell them.

They type "brb" as if to leave the chat momentarily, but never reply again, and quite often, "sign off" by blocking the person they are speaking with.
Guy 1: I was talking to this girl I met online before, she said she would brb but signed off and never returned.
Guy 2: She used the BRB trick on you
Guy 1: The what?
Guy 2: She didn't want to speak with you anymore but instead of telling you that, she wrote "brb" and blocked you.
by DirkD April 21, 2009
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A Rachel BRB (be right back) is when one person says BRB on instant messager with the intention of signing off and returning at a much later time. It should be substituted with a BBL (be back later).
Rachel: BRB!
Bob: Okay.
Rachel: Signing off 5:30pm.
Rachel: Signing on 10:00pm.
Rachel: I'm back
Bob: Away Message Response: Went to bed.
Hence, A Rachel BRB, and not a typical BRB.
by A friend of Rachel January 3, 2008
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Be right back real quick. By using this, you swear to god that the time will be under ten minutes, and will do everything in your power to return before that. Failing to follow this will cause the value of Brb Rq to drop, and it could mean any time up to an hour. And when your friend vanishes for an hour after saying ten minutes, you no longer trust Brb Rq. Don't be that friend.
Drake: Brb Rq, mom needs help with moving something

Josh: K Fam
Drake: *Returns 10 minutes later*
Josh: Oh hey Josh, thanks for returning in a reasonable time.
by EmBruhTriple April 27, 2018
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To have ADHD, ADD or any other form of not being able to pay attention. Someone so distracted that the most random, unimportant thing could occur and they'd go AFK.
*Conversation happening*
"What do you think, Mark?"
*Silence*
Kane: Oh, he went brb jellyfish.
*Two hours later*
Mark: I'm back guise, I have cheesey chicken
by StephanieQ January 23, 2009
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When you just randomly poof from a chat and don't come back for another 3+ hours.
i_luff_naruto: and i was like rofl. you should have seen it munster!
i_luff_naruto: munster? u there?
take_me_to_uranus: i think munster's in brb mode :/
by I Do Not Like Pie, for realz December 4, 2009
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