"BRB" stands for "Be Right Back". It is commonly used in online communication such as in chats, forums, and online games to let others know that the person will be away for a short period of time and will return shortly. It is used as a way to inform others that the person will be temporarily unavailable, and it's a way to let others know that the person is not purposely ignoring them, but will return soon.
Joe: Bob, are you ready to start the raid?
Bob: Yeah, let me just finish this quest real quick. BRB.
Joe: OK, hurry back. We can't start without you.
Bob: I'm back! Let's do this.
Bob: Yeah, let me just finish this quest real quick. BRB.
Joe: OK, hurry back. We can't start without you.
Bob: I'm back! Let's do this.
by dwdwefewf January 21, 2023
Get the BRBmug. Want to listen to the new Robert Plant album?
Nah, I’m good with Lizzo.
Ugh, you are a BRB.
Huh?
A Basic Radio Bitch.
Nah, I’m good with Lizzo.
Ugh, you are a BRB.
Huh?
A Basic Radio Bitch.
by IndaloTom August 3, 2024
Get the BRBmug. Peter in an intense game: "oh man gtg brb"
Paul: "Oh no"
Chris: "Ah yes another Peter's brb. Im gonna cook some meal after game and wait for him to come back"
Peter, after 4 hours: "Sorry guys i was talking to my parents"
Paul: "Oh no"
Chris: "Ah yes another Peter's brb. Im gonna cook some meal after game and wait for him to come back"
Peter, after 4 hours: "Sorry guys i was talking to my parents"
by Lupiinek June 20, 2021
Get the Peter's brbmug. Slang for "be right back"
by K1ng_d.j April 6, 2017
Get the Brbmug. BRB means Be Right Back
by Wolf 14 January 3, 2020
Get the BRBmug. 
by Teo Lien October 16, 2018
Get the brbmug.