grb means gotta right back
when u r chating and text grb that means hold on, be online am coming right now
by heyya sinna April 9, 2017
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An abbreviation for “Get Rekt, Bitches!”

A form of bad mouthing after a competitive match without the result of getting reported or banned.
Saying GRB! is good without conversing into verbal profanity.

Similar words to "OWNED, REKT, GG EZ, ETC..."

Ex: After a good win, say GRB in the post game chat to inform the opposing team that they just got rekt.
GRB! We won that game!

GRB! I got a pentakill! you guys suck!
by SkrawL September 20, 2020
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