1. A situation or event that can be generally predicted as doomed to fail or to go horribly wrong.

2. A statement or other action by someone that is completely retarded or offensive to others.
1.
"We should try and jump off the roof into the pool."
"We aren't even drunk yet, this whole idea is no-kosher."

2.
"I can't believe that lard ass is taking so long to walk to her car."
"Dude it's no-kosher to talk about people like that."
by WaycoolJR729 April 26, 2010
Get a no-kosher mug for your mama Sarah.
the metric of how kosher something is
What is the kosherity of a turbaconducken? http://bacontoday.com/turbaconducken-turducken-wrapped-in-bacon/
by koser dude December 13, 2008
Get a Kosherity mug for your mate Sarah.
1. The Jewish Mafia

2. Lead by Jachim "Dewey" Horowitz
On the PA at Newark International Airport: "Welcome to New Jersey, home of the Kosher Nostra"
by Raised by a cup of coffee April 14, 2004
Get a Kosher Nostra mug for your coworker Helena.
An expression applies mostly for jews, it means "its all good" or "everything's good".
It can also be stated as "its all kosher"
Greg: how you doing bro?
Jacob: everything's kosher
Greg: I'm glad to hear that its good
by YoRavid January 29, 2012
Get the Everything's Kosher neck gaiter and mug.
When god loves me for whats in my heart instead of what’s in my stomac
I’m going to have a whole pig for dinner because I’m Anti-Kosher.
by Vantex XII November 27, 2018
Get a Anti-Kosher mug for your friend Georges.