Top definition
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.
"We should try and jump off the roof into the pool."
"We aren't even drunk yet, this whole idea is no-kosher."

"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 the mug
Get a no-kosher mug for your brother Manley.