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3.
what up dude? what up?
What up doooooo? How it be?
by gregory j January 12, 2006
 
1.
A greeting used amongst people in urban setting. It can be used in several ways. It can express freindship,anger or a question. Used extensively in the upper east of the midwest; mainly Detroit.
(to a group of people) What up do!? (retrun answer) What up do!!
by Aristidis Alexopoulos April 02, 2007
 
2.
Greeting meaning hello, or most likely hi, it is said in a deep tone, and with feeling.
What up do nigga!
by Terry Fields May 19, 2003