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1.
Yaus: 1. An exclamation of happiness, satisfaction, or joy. 2. An affirmative, celebratory or positive expression. 3. A synonym for yes.
see: Ah yaus, ah yoss, yoss, yossman
Antonym : ah noss

Originated in Mtn. Lakes N.J
After watching something cool as shit happen...."Fuckin Yaus dude, that was sweet."
by Guido March 12, 2004
 
2.
An exclamation of excitement, modified from "yes!"
"Dude, on my way here I got pulled over by a cop, but he didn't give me a ticket."

"Yaus!"
by FiveColorFat January 26, 2004
 
3.
Yaus: 1. An exclamation of happiness, satisfaction, or joy. 2. An affirmative, celebratory or positive expression. 3. A synonym for yes.
see: Ah yaus, ah yoss, yossman
Antonym : ah noss
I was wasted the other night and banged a hot ass cheerleader, Yaus!
by Guido March 12, 2004
 
4.
Cute Or Adorable.
Annie Says Something Cute.

Ashley:"Yaus"
by TheAwesomesst December 26, 2010
 
5.
yau
Word meaning 'you'. Said in a forceful, accusing manner. Originating from the 2002/2003 crowd of Belfast lesbians. Now used unknowingly by alot of 'wannabes'.
'Beep beep whose got the keys to the jeep?'
'YAU do!'
by Peachy13 November 02, 2007