CRB

Shorthand for Come Right Back, CRB is used in text based communications such as chat. Below is an example of how this would be used in chat.

User1: That's pretty funny.
User2: Heh yeah, AFK.
User1: Ok CRB.
User2: Ok I'm back.
User1: WB
User2: Thx

Also see: AFK, Chat definitions, WB