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."