1 definition by Cam Hendrixxx (creator of hiyaing)
a verb to hiya is to slap a dude (or girl on occasion) on the bach of the neck as hard as you can then chant hiya ya ya ya like a native american.
a dude said that the patriots gone beat the giants at the super bowl. when u see him creep behind him the......hiya ya ya ya!!!
by Cam Hendrixxx (creator of hiyaing) February 5, 2008