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1.
The founding fathers C,T,L started to use this word the early 2008 and is well known is Redwood City.
A word you say usually in a chewbacca tone that expresses excitment. The more excited a person is, the long he says the word by rolling the "b".
Guy 1: "We out to Great America this Saturday"?
Guy 2: "Fuck it. We out. Abbba"!!!

"Abbbbbba. I just saw a naked girl"!
by TheFoundingFatherL. September 30, 2012