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1.
Used to express stunning disbelief in a response, usually in place of phrases too long to be properly verbalized in the momentary astonishment.
Guy 1 (drunken): "Hey babe, wanna know why my friends call me 'tripod'?"

Girl 2 (in truth a guy): "Dabliu?! You serious, dude?"
by FDA92 November 17, 2011