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2.
1. coozin - (noun) a female cousin that will let you fuck her

2. coozin - (verb) the act of fucking one's female cousin
That nasty hillbilly is over there tappin' his coozin!

He's one coozin billy goat!
by backwoodscoozinfuckinmuthafuck September 20, 2011
 
1.
Fucked up to the perfect level. A state of mind where one is soaring through the sky but still in their senses, as if they're "cruising" through.
"Yo, Niv and I have been coozin alllllll day. We're trying to pick up some more, you good?"
by PikesVillain August 29, 2011
 
3.
The bestest and most cutest way to say cousin.
My aunt had three kids so now I have three little baby coozins and they are oh so cute!!!
by Face&Butt May 18, 2009