an extreme case of hilarity; a reason to use the word ROFLCOPTER
a case of merriment where one is about to cry
Girl#1-did you see SNL last night?

Girl#2-Yeah! It was extreme hilariousness!
by RandomCoolPerson101 April 8, 2010
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A man that constantly has a wank when in a bathtub with a fat duck called mildred.
"Fancy that, i just saw a hilary!"
by maurene May 28, 2008
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a dance in which the shoulders are moved up and down, the head is thrown to the left, and the hands are pointed outwards at the elbows. This dance has taken the east coast by storm. Everybody's doin it.
"Ooooohh shit, that girl is doing The Hilary. I wish she would take her clothes off."
"duuuuude, me too."
by canesgirl May 20, 2005
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A popular abbreviation for Hilarious, also a reference to Hilary Clinton. Usually used when the humor it is applied to is somewhat serious or not actually that funny. Though often used just because you feel like saying it......
Fred: Wow, that guy just joked about alcoholic parents with Jeff.

Jenine: Wait isn't his mother an alcoholic?

Fred: Yea, isn't that so Hilary!
by Ergo Proxy March 19, 2010
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when you hate that something is so hilarious!!! ; So funny that it is gut busting...can't stop laughing and you hate it because it hurts.

Hilariating, hilariater
Pooder is hilariating why are you ripping on that person so bad!!!! Stop!!!! She is going to bust her gut! <3
by namedropper77 January 3, 2010
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Somone giving oral sex while being thrown up on.
Oh wow man, she totaly just pulled A-HILARY
by John Andrew November 17, 2006
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A person or thing that ruins the country while their husband is getting blow jobs in the white house.
Hilary is running again for president of the USA. Did she not do enough damage during her first time at bat?
by staticthewhitewolf April 10, 2018
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