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We need some coolth in this house.
by bagitbabe May 15, 2008
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Coolth (Noun): The noun form of "cool"; opposite of warmth. Used to describe either a lack of heat or social popularity.

See also: shorth
"The coolth of the evening breeze caused Stella to shiver slightly."

"James' coolth was the stuff of legend at his high school; he was always the one to start trends."
by WordDefiner February 02, 2008
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the opposite of warmth! I use this when teaching my chemistry students about exothermic and endothermic reactions
you feel coolth when an endothermic reaction is proceeding in a test tube.
by fotondoc January 27, 2009
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a person who thinks that they are cool but in actual act they're the biggest waste of space.
Bobs a heat, but Deobrah is a coolth!

joe: "hey do you know Deobrah?"
sean: "yeah she's a coolth!"

Demi thinks she likes architecture but what does she know, she's a coolth!
by mocoolth November 01, 2018
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