willarious 

Not quite funny. Generally used when making fun, or talking about making fun of something in an off the wall sense. When you weren't present, You had to be there moment. Humor in the sense of outside the box.

ha ha that was willarious (not quite the normal punchline, so it took me a second to catch it)

willarious by Chilly1408 February 4, 2010

illarious 

Ill + Hilarious = Illarious

Did you hear that one about The Aristocrats? That joke was ILLARIOUS!

illarious by aliastx February 19, 2011

Hillarious 

to be as funny or pleasing or to have high degree of humor as Hillary.

Early 21st century Native American: from Vietnam mixed German background ( from Greek hilaros 'cheerful' ) + ous. The sense ' exceedingly amusing ' dates from 2019.

Me: You're so Hillarious
Hillary: Haha that is so punny of you! ;)

Hillarious by Cyronious October 1, 2019

Sillarious 

when something is silly and hilarious at the same time and you can't make up your mind on which word you want to say, this word is most likely to naturally come out of your mouth.

Tim: “You must like getting spanked Farley, I guess it runs in the family.”

Jillian: "ha! that was sillarious!

Kid: "SHUT UP!...SHUT UP!"

Sillarious by Tinbug January 5, 2010

killarious 

When something in a video game, mostly MMOs is hillarious and involves lots of killing.

Rofl, they kept comming at me but they were no match and all died trying it was killarious!

killarious by Thebubbleboy March 18, 2008

Fillarious 

Very humorous, short for "f*cking/friggen hillarious". Often used when accidentally when trying to say very funny.Used when story telling or explaning funny events..

"Dude, did you see that kid in Math class? He friggen pooped his pants. It stunk like hell, but it was fillarious."

"Wow man, I just saw scary movie. It was fillarious"

Fillarious by Cree Devinto March 26, 2007

Hillarious 

Of or pertaining to Hillary Clinton and amusing in the extreme.

His plan for universal health care was Hillariously unworkable.

"Sure, deck your limbs in pants;
Yours are the limbs, my sweeting.
You look divine as you advance,
Hillarious when retreating."
--Ogden Nash, with some modification

Hillarious by Nomen Nescio February 20, 2008