What is Koosh?
1.
To drink one's own pee.
I walked in on my roommate kooshing a few years ago. To this day, he still denies it.
2.
slang for the word "vagina"
"that's a mighty nice koosh"
See
3.
Counter-Strike.
CS.
eli owns lauren in koosh
4.
a frized out or poofy set of hair, either on the head or vaginal area of a slut.
Christina is a koosh
See
5.
To fuck
Do you want to go koosh in my parents bedroom?