Top Definition
How Portuguese speaking people say "wow."
Rest(american): What do you think of Big Bang?`
Kinchan(portugaiz): :O - UAU!
by Resuto March 21, 2009
15 Words related to Uau
Under-aged user. You might see this on a message board where people are acting below the intended age.
"Leno shouldnt of fired Conan and stoled his job on the tonight show yo"

"Yeah, because that's totally what happened. Fucking UAU."
by 1,2,3,4,5 May 14, 2010

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