How Portuguese speaking people say "wow."
Rest(american): What do you think of Big Bang?`
Kinchan(portugaiz): :O - UAU!
by Resuto March 21, 2009
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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 15, 2010
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Useless Acronym User: Someone who uses acronyms when they are not needed, either because of context or because you could just say the full words
Larry from work texted me a meme from 2012 with the caption LMFAO. That guy is such a UAU!
by bisensual_bowser November 1, 2021
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