1 definition by The Lizard King027

A word used as an abbreviation of the phrase "what's up." It takes the first to letters in "whats" (-W and -H) the the letters in "up" (-U and -P) to form the word, whup.

Whup dog? Whup dude? Whup with you?
by The Lizard King027 June 25, 2006
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