Keep it kosh

To play it cool or smooth in a tight situation. Origin: Kosher, Kosh is short for kosher.

Dude #1: Dude, isn't that Kristen coming this way?
Dude #2: Yeah dude, she's smoking hot. What I wouldn't do to get with her.
Dude #1: Dude. Just keep it kosh man or you'll blow your chances with her.

by DurbanSun November 2, 2009

Kose Nanat

Persian slang that simply means "Fuck your mom" and sometimes "Fuck you" .
Depends on the situation and the background :

This slang can be used in serious situations as a disrespectful slang , and in friendly situations to show love especially between boys .

For the serious situation and fighting :

- I'll fuck you up

+ Kose Nanat !

Friendly situations :

-Hahahaha you lost the bet

+Kose nanat ...

Or

-Bye , Say hi to your mom

+Kose nanat <3

by Hippogryph Rider April 6, 2019

kossher

Persian/Farsi word meaning bullshit.

That's a bunch of kossher.

by Nader December 27, 2006

Liza Koshy

A lil brown girl you started out on vine then moved to youtube and ended up surpassing 10 MILLON subscribers

Have you seen liza koshy she's amazing

by Unknown 455132 December 27, 2017

Koscheck

another word for the female vagina. Reffering to what his eye looked like after the fight with GSP

your eye looks like a big nasty koscheck!!

by The conundrummer December 21, 2010

KOSing

a short word for killing on sight/killing for sport in ROBLOX Dinosaur Simulator

That avi was KOSing so I killed him with my apato

by Avinychus September 8, 2018

Scrill Kosby

One of the best personal blogs on the internet. Although "S.K's" identity remains shrouded in mystery, it has been confirmed that he disdains long walks on the beach,

Person A: Ay, you seen Scrill Kosby lately?
Person B: Nah man. But just go to his website, I heard it had plenty of cool stuff. From politics to many other stuffs. Oops, I mean: "from politics to many other things."

by William Crosby October 12, 2010