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.

hi-frickin-larious by nitenel October 23, 2010

hifrickinlarious 

1.(adj) funny to the point of tears; when something's past the point of hilarious

the definition of hoodrat on this website

hifrickinlarious by MiMi May 13, 2005