stands for, "cool story bro, tell it again!"

this is said when you hear a really boring story and you want this person to know how much of a waste of time it was hearing it.
Friend: HEY GUESS what!
Me: What?
Friend: I just had a dream I got a full ride scholarship to Harvard University!
Me: csbtia
by CaptainHewk January 12, 2011
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