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A way to describe yourself as being incredibly awesome.
by Excelide August 19, 2019
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Coo is when you have very big pp energy. It’s like cool excepts better. The effect of the word is increased if your name starts with an L.
“Man that guy is so coo, I wish I were him”
by Cruddygraze August 19, 2019
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A shortened more lazy version of the word "cool". Used when it takes too much effort to pronounce the "l".
Aw, fo real? That's coo.
by Sylvia April 27, 2004
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1. Coo (Verb) - A complete state of relaxation and tranquility often aided by the use of marijuana.

2. Coo(ing)(Verb) - to be in the state of "coo"

3. Coo(ed) (Verb) - When coo is broken by inconsiderate fucks, due to the lack of understanding and appreciation by "non-cooers"
1. "Rahh lecture was long, man needs to coo."

2. "Man cant stop cooing, Jah bless"

3. "I'm all cooed out" (physically impossible)
by JakeKitch January 27, 2011
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A slightly shortened version of "cool"
used by only the cooest people, coo is the best way to describe something that is completely awesome.
urbandictionary.com is the cooest website i visit daily.
i have such a coo life.
by cooest XD July 10, 2010
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Coo is another shortened way of saying killer cool. Cartman of south park also uses it.
This site is coo, real coo
by don February 11, 2004
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