be right back..............during a chat if u hav to leave for somewhere u can use dis abbreviation...
do u knoe wat happnd ystrday??

brb...
by maddy_funk October 4, 2007
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be right back, killing myself

The phrase is heavily sarcastic
Phoebe: Ate your leftovers, hope you don't mind.
Jeff: brb kms
by ER#0R December 23, 2015
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"Be Really Blazed" What one housemate says to other housemates when they are going to smoke weed with their dero mates and are too stupid to think up a resonable and plausable excuse to be leaving the house at 11pm
Housemate 1: BRB I'm going to play ping pong/poker/DJ.... *leaves*

Housemates 2 &3: I think he means he will Be Really Blazed when he gets home, what else could he be doing at this hour?

(3HRS LATER)

Housemate 1: *walks in* have you guys had dinner yet? I am really hungry - ping pong really takes it out of me, does anyone feel like toast?
by Frubarella September 15, 2010
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When someone "brb"s but doesn't tell the other person, usually on the computer.
Guy 1:Hey, did you see that new movie?
(Five minutes later)
Guy 1: you ninja brb'd on me, didn't you?
by Lateon September 3, 2009
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Literally, the inkdrinker-coined "BRB FBI" stands for "be right back; federal bureau of investigation." The implication is that something one has just mentioned is illegal and that the FBI are at the door. Many variants of it are popular at YTMND.
"So how old is your girlfriend anyway?"
"Just 15. Oh shi - BRB FBI."
by inkdrinker November 28, 2005
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Bastardation of "Be right back, I'm going to cry" or "Be right back, I am crying." Used when one would like to excuse his/her self because he/she is overwhelmingly sad, about to cry, or hysterically laughing. This term is used more commonly on the internet.
(Text messaging): "Dang, your breath smelled like shit today!"
"Wait.. since when?"
"about second or first period when you shoved that entire bag of croutons down your throat"
"brb crying"
by unajunga December 31, 2014
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A variation of the classic "brb", meant to imply that you will be back after answering nature's call.
Marcus221 says: brb bio

Legendsword says: #1 or #2???

Marcus221 says: we'll see! ;)
by josh_or_socko September 10, 2008
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