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2.
Another way to say "What is up with you" or "What's up with you"
I have a date tonight, so wi-choo doing tonight.
by Jakndabx January 25, 2008
 
1.
Wichoo is a term derivated from two words "with you" and originated through a misheard Luther Vandross song. ie.. "Together forever and never to part, together forever wichoo"

Black people use this sort of lingo to confuse and astound white people.
"Hey I'm going to the mall!"

"Can I come wichoo?"
by DB March 28, 2005