Describing a super funny situation or occurrence. Often used by airheads or valley girls in cliques. Occasionally used by ghettofied bourgeoisie or people too lazy and dumb to pronounce the full word "hilarious".
"Hey Sher, like oh-emm-gee. That story was totally hilair, for sure."
by Dyslexicon March 28, 2010
California shortened version of "hilairious"
That movie was hilair'!

Did you see her outfit today? Totally hilair'!
by blueskies145 May 11, 2009
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