Kos-Omk 

It is an offense insult.One can say it to those who make destructive errors either socially or professionally.

Also, it is popularly used among friends as funny expression while joking.

Also, it is used when one wants to warn the others from doing something wrong.

Kos-Omk, you have broken the window

Kos-Omk, you should not use my computer any more.

Kos-Omk by Mahmoud Tolba April 22, 2020

kosomk 

'' Kosomk '' is an egyptian word .. which means your mom's pussy ..

It is said like : kosomk man !

kosomk by Walter O May 18, 2018