BRB-Q 

To say "Be Right Back", but not actually come back for an extended period of time.

Guy 1: "Dude I'll BRB"

Guy 2: "Alright, but you better not have a BRB-Q"

BRB-Q by tenac1ous June 17, 2009

brbq 

Stands for "Be right back, quickly"

Pronounced like bar-be-que

Guy 1: "Did you hear that the grocery store is selling bar-be-que?"

Guy 2: "Oh snap, brbq"

Guy 1: "Yeah, that's what I just said"

Guy 2: "Oh nevermind, bbl"

brbq by Jake Mckay January 12, 2008