Derived from the Hebrew word "kasher," which means "proper" or "pure.".

Although it is most commonly used in describing the dietary law of the old testiment or torah, it can be used fully interchangeably with "proper" or "pure" or even "lawful".

A high volume of youth have started using it as a slang for "cool" or "chill".
This meat is kosher.

Would you believe that "in her eyes", this is perfectly kosher?
by abgo July 26, 2009
1) Blessed jewish food
2) Free from incriminating details
"Always ask for the kosher meal on flights, the staff don't ever spit in those"


"Let's keep this kosher. No references to your depraved sex life"
by Gumba Gumba August 4, 2004
1) See "tight"
2) To be worthy of acceptance
3) good
1) That party was kosher
2) That new guy is pretty kosher
3) It's all kosher
by adizzle March 9, 2004
To be genuine and/or legitimate.
She consulted lawyers to make sure everything was kosher.
by Kat, that's me! December 11, 2016
1. a word that means good / perfect
2. tight

and that person who wrote about the gay people is stupid
KOSHER OPZ
unknownstyle.com/~kops
by [k]ops | cRys3k November 19, 2003