The word forming of yea and ass put together. Mainly a misspelling of yeah or yes or both of them put together
aimscreenname#1: Like OMG, Janie got that $500 purse she'd been asking for! Isn't that, like, awesome!
by Vanessa (: August 02, 2008
Im'ma whoop yeass!
by shashanana March 26, 2014