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interjection used to describe an unusually provocative or coincidental comment or circumstance usually said to or between close friends in an amicable or light-hearted manner, also used as a space filler in conversation in order to make the speaker apear superior to his or her peers
Reed: Dude, that chick is bangin!
Keith: Dat's a bet doe!
by Kellan Dickerson June 02, 2011