The short term for 'Be Right Back' which usually means that people have told their friends via text or internet based social services that they have gone somewhere for a brief period of time which usually stand for the time of up to half an hour unless they've said that it would be longer. Although in some cases, the term of BRB can also mean that they have gone for more than 6 hours without any hint of what they are doing, which usually suggests that they are having a hard time trying to masturbate properly.
Dave - Hi Josh do you want to go online in a sec?
Josh - Yeah sure but brb, going to get some food.
Dave - OK :)
/////////////////////
8 Hours Later
/////////////////////
Josh - I'm Back
Dave - Where the hell have you been? To the other side of the planet and back?
Josh - No I went to watch about 20 movies and never mentioned it to you because I couldn't be asked telling you.
Dave - Ok :(
by Anonymous XY January 04, 2014
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An abbreviation commonly thought to mean "Be Right Back" though it also stands for "BathRoom Break" because people often say BRB when they need to use the facilities.
Sarah: I have to pee. Brb
Alie: Kk don't take too long this time!
by Julel December 09, 2007
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Something a girl says when she will aparently "be right back" (like 5-10 min), but really means she's ditching her friends for her boyfriend (1 hour-Forever!). At first you might believe... But after a while you will learn that "BRB" means she's not coming back.
If your good friend starts saying this beware... Your friend time with her is limited!
Girl: "Brb" guys!

Friends: "Okay see you tomorrow"

Girl: "No really, I'm coming back!" (leaves)

Friends: "Let's bet on it... 20 says she's not"

2 Hours later...

Friend: "Pay up!"
by Albino2.0 April 09, 2010
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A species of human which cannot function correctly
He is a BRB
by Tamara Coco April 11, 2021
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Be Right Back.

You are online and someone sends you a IM but you dont want to talk. You say BRB, never reply again, eventually logout.
Person 1: yo lets play ball

Person 2: nahh

Person 1:WHY NOT

Person 2:...

Person 2: BRB

Person 1: ok

---30 minutes later---

Person 1: you playing or what?

---1 hour later---

Person 1: fuck this

Person 1 is offline.
by AssViolater September 10, 2010
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BRB is an emcee based in Canberra, Australia. Originally from New Jersey in the US. He has performed in the US, Russia, Finland and along Australia's eastern coastline with peeps like Brethren, The Truth, Winnie Coopers and Joel Turner.

He emerged in the Aussie hip hop scene in 2005 with the release of the 'We're Metaphysical' EP by his crew Metaphysical Combat. Since then BRB has branched out as a solo artist.

He is also a producer and founded an independent production company, Metaphysical Productions, in 2006.
It's the BRB smackin you like you were the fourth stooge
by MCDUST May 01, 2010
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