A term used offering for someone to join in on a sexual act. The sexual act usually entails a guy finishing inside of the girls left ear, and spitting into the girls asshole. The person invited gets to wet Willy the girl in the right ear with their own secretion.
Hey Chris. Koo mysty at my house tonight at 7”
by McNugget hoplite January 15, 2021
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When a person, place, or thing is considered to be acceptable to your standards. Most often used to describe a person who is not a complete and utter douchebag.
Person 1: Yo dawg, you know Jeremy from our english class?

Person 2: Yeah, he's pretty koo.
by Sheezyman November 27, 2009
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Koo Laid is a producer from Milwaukee, Wisconsin that put The Ill Mill on the map...Rest in Peace Koo Laid
I wan't grape koo-laid with that toast bitch!
by DruDro January 4, 2008
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When koo koo fuzzy time is called, the lights are killed, and everyone grabs a pillow, or a soft object, and proceeds to beat the crap out of someone. The target is discussed before-hand.
Dude, Jake got the shit beat out of him during koo koo fuzzy time.
by Lockjaw12 November 28, 2011
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boo koo spelled buku means an abundance of i.e. plenty
Homeboy just won the lottery and now he has buku dinero, money, scratch, geld, etc.
by Kenneth Brown June 24, 2005
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when a large woman has camel toe.
"those spandex bike shorts really show off her fatty koo."
by warren sammich July 9, 2005
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