hi-larious

Actually it's not that funny.

A member of the ridonkulus family.

"Oh yeah? Well your mother's a whore!"
"Hi-larious"

by Smocko November 2, 2004

hi-frickin-larious

adj - sarcastic remark usually made after a bad joke, someone trying to be funny, or a story that was supposed to be funny, but failed miserably

Dad tells bad joke
Son: Hi-frickin-larious.

by nitenel October 23, 2010