Top definition
UDB1 is a shortened version of You Dumb Bitch!


U = You

D = Dumb

B = Bitch

1 = !

It was found as a capture code on megaupload 11:00 A.M. December 7, 2009.
Woman: Clark. What does UDB1 mean? I just saw it in the comments on my youtube video.

Clark: You Dumb Bitch!

(You get where this conversation is going)
by ConGie December 07, 2009
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