1) To remove the fun from a situation (especially a competitive game.)

2) Someone who disappears for the night with a member of the opposite sex and then refuses to share the sordid details of the encounter with their friends
1) oh god, he completely cliffied that game of monopoly

2) Come on, what happened last night? Don't be a cliffy
by Niallh55 November 8, 2007
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To be the center of attention at an amusing and unnecessary rate.
1. damn. he's getting pretty cliffy!

2. er'y body at the club get'in cliffy!
by catcherrye June 20, 2011
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A know-it-all who is fond of spouting random facts. Taken from the character "Cliffy" from Cheers.
Dingos are native to Australia? Gee, thanks, cliffy.
by shebeest2000 January 13, 2011
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Derived from the combination of clit and stiffy, Cliffy is a term used to describe an erection of a female's clitoris. Usually due to sexual stimulation or arousal.

This porn is so bad the actress doesn't even have a cliffy!
by LVB November 5, 2006
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A man of a homosexual orientation, who enjoys gay sex regularly. He sits on his own at home masterbating to gay porno.
"That mans a fucking cliffy"
by catwithstick October 9, 2006
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A word that has no actual meaning it is just there to made up to make someone feel stupid
he is real cliffy
by pacman12364 April 28, 2009
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