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Kosei, Nice rims, Kosei K1 Racing, and Kosei K1's look really nice on 88-91 civic hatchbacks
Look at my sweet Kosei rims!
by killo January 26, 2005
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Something found in the inner rectum, with a disgusting smell that is surprisingly satisfying. The human manifestation of such a thing, would most definitely be a pervert. A pervert who likes to touch the Koseis of other men.
*sneaks up behind a guy taking a dump* "Hey man, can I feel your Kosei"
"Ew, get away from me perv!"
by enchilada_supremo May 16, 2015
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