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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 Coo_Luis August 19, 2019
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Jul 26 Word of the Day
Noun: a friend who is usually only called upon by a friend when a more primary/prominent friend is unavailable.

Taken from the term “second string” in an athletic competition situation. In football, if the star quarterback gets injured during a play, the second string is called off the bench to replace him/her. A “Second String Friend” is essentially benched until needed, if ever.

Synonyms: Plan B, Second Choice, Secondary Friend, Benched Until Needed
I got a call from X the other night. She had an extra ticket to a concert she bought for a friend, but they couldn’t make it so she called me to ask if I wanted to go because I am her Second String Friend.
by Deus-ex-machina August 26, 2020
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4
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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5
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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6
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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