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1.
background: american word used as to not offend people openly
Definition:your ahole or a guys dick
shove it up your wazu
or: Look at that guy's wazu!
by danny July 23, 2004
 
2.
"Whats up?" said while extremely intoxicated. Generally, because of this intoxicated state, it is mumbled, and therefore sounds more like "wah-zoo".
Bro, are you okay? I think you've had one too many kegstands tonight...

--> Ya bro, I'm fffine. Bro, I haven't ssseen you in like... like... in like forever bro... Wazu bro?
by surfstarchris September 19, 2006