8
Originally the result of a mancunian attempting to mimic a seagull, the word 'Koo' is best used when stoned to warn others around you that you are in said condition. It can also be used as a substitute to just about any other word in the english language, though such usage is ill-advised as it can irrevocably damage your social life and lose you some serious pulling opportunities.
1:Basil: "Kooooooooooo im fuckin well stoned"
Trevor "Koooooooo me tooooo"

2:Gary: "Are you kooing then you koo-faced koo-dodger for koo's sake?"

Ahmed: "Koo off"
by Nathaniel Bones October 05, 2006
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9
noun. STATE OF BEING, drunk or inebriated through other means.

verb. TO KOOS, to make out, have sex with, or otherwise show romantic interest in another person.

adj. KOOSABLE, someone who is, in the point of view of the speaker, a good candidate for potential romantic action.

The beauty of the word lies in its flexibility.
noun. After a heavy night of drinking Dude, I am so freaking koosed.

verb. See that girl? I totally want to koos her.

adj. I think Martin's cool and all, but to me he's just not koosable.
by Cool Kids Flat 43 October 21, 2005
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10
A lovingly derogatory term for all shapes, sizes, colors, and races.
Ariel: Yo, go buy me a Bawls?
Jackiee: Don't be such a f*ckin' koo.
by gracekay April 01, 2008
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11
A lovingly derogatory term for all shapes, sizes, colors, and races.

Girl1: Yo, go buy me a Bawls?
Girl2: Don't be such a f*ckin' koo.
by gracekay April 02, 2008
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12
by Anonymous August 06, 2003
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13
someone lacking the hand-eye coordination to be any good at video games.
Aww man! I am really koo-ing it up tonight.
by PANTOCRATOR December 30, 2003
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The vengeful act of crapping on a lover's chest while they sleep.

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14
My nickname....

~Koos
Me: why Hello Friends!
Friends: sup koos.
Ect
by KoosKoos September 05, 2012
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