15
An expression used in AIM conversations. Though technically meaning "be right back", it is more commonly used as an excuse to leave a conversation with a person you don't want to talk to anymore.
catluver00003: so how many cats do you have??????
joexx: brb
by Arabella Quag May 18, 2008
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16
To be gone for periods of time that could be from 5 minutes to 5 days.
Auto response from CDM99: BrB.
by Noodle June 02, 2004
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18
1.A shortened version to signify the message "Be Right Back."
2.A lame excuse to find out lamer acronyms for brb...
1. "Brb... " "Oh... okay"
2. "Burning Random Butterflies" "Oh... What the fuck?!"
by Alfonso G July 09, 2004
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19
assholes use this phrase online to mean "goodbye"
megadeth532: OMG, did I tell you what my cat did today?!?

bobsaget: brb.

<5 hours later...>
bobsaget has signed off.

megadeth532: :'-(
by the13thzen May 04, 2010
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20
Acronym for "be right back." Usually used as an easy way to dip out of lame places or conversations. It has been confirmed that this phrase has been used by popular figures such as Bob Marley, Jesus, and Amelia Earhart.
Amelia Earhart:
*Hops in plane*
"Brb!!"
*Flies into waiting horizon, never to be seen again"
by Gobblejosh January 13, 2011
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