1 definition by ShroomFace

Top Definition
A mold spore most commonly used in the making of a Japanese drink known as Sake.
Go pick up some Koji-Kin at the store, I'm having a party next week!
by ShroomFace September 14, 2011

Free Daily Email

Type your email address below to get our free Urban Word of the Day every morning!

Emails are sent from daily@urbandictionary.com. We'll never spam you.

×