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 2, 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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Coolth meaning: the quality, state, or sensation of being cool; moderate and comfortably cold.

Not being mid; mentally and physically being cool; being a chad
The coolth took over my body as laid in the snow.

He felt a sense of coolth as he became popular.
by Woe Plague Be Upon Thee March 3, 2022
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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 1, 2018
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The “Cool thing”speedrun % is a type of speedrun where the speedrunner attempts to do as much “Cool things” as possible throughout one sitting of the game.
“Dude, Greyfruit is my favorite speedrunner!”
How so?”
“His newest Coolthing % was really cool!”
by the_dragon_king January 12, 2022
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