An opening phrase to introduce an quickly stated question or statement. Typically a ghetto one that many can relate to. The 'du' can be substituted by other words such as; can, will, were and etc. The 'ya' can also be subtituted for he/she/it/they and other verbs.
Example one
Rhonda: Hey Bern, can i borrow your lipliner

Bern: Sure, Butdu ya gotta be breathen and swipin so hard when ya do.

Example two
Mtn Climber one: Hey, it that the mayor? I heard he comes here often.

Mtn Climber two: Butcan he pass a bill?

by Berndoyd April 2, 2007
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