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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Clitoris Erection. Female version of the male word stiffy denoting an erection of the female glans. As in a clitoris stiffy. Cliffy.

Singular - Cliffy, plural - Cliffies
Deborah: I hooked up with Stephen from Accounting last night. He left me hogh n dry with a cliffy.

Wanda: OH. MY. GOD. The Swesosh football team has me wrecked with a case of the cliffies!
by Rüeblai Khänt December 22, 2021
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Brah, I'm so turned on right now I have a cliffie!
by Nuttsausage November 23, 2013
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