hilfuckinarious 

even funnier than hilarious.
hilarious taken to the extreme.

damn bro did you see that guy bust his ass last night? it was hilfuckinarious!

hilfuckinarious by milligan July 28, 2005

hifuckinlarious 

something that is so funny it can only be described as hifuckinlarious

That skit on saturday night live was hifuckinlarious

hifuckinlarious by anyname1 March 8, 2008

hifuckinlarious 

a variation of "hilarious" with the word "fuckin" thrown into the middle to add emphasis.

When I told that bitch to get the fuck out of my life and she cried, it was hifuckinlarious

hifuckinlarious by Josh the man November 12, 2003