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"!
When you have loose runing or sport shorts, but no compressing shorts under and one of your testicle pops out the side your shorts while you are streching, doing exercise, etc..
(Tom and Will streching)
Tom: "Will, do some curl ups."
Will: "Ok".(Will get in the postion and starts to do them)
Tom: "Yo, Will"!!
Will: "What"?
Tom: "Dude, your exposing it to some air".
Will: "What"?
Tom: "Man, one of your testicles is hanging out of your shorts".