Definitions by IDF -Sgan Aluf Amzi-

Krav 

A shortened version of Krav Maga, a highly specialized fighting technique used mainly by military (especially Israeli) and LE.

This is not an "art", it is straight up just how to kill someone as fast as possible

Hey, watch out for Abraham man, he's quiet, but that Jew knows Krav.

Krav by IDF -Sgan Aluf Amzi- May 4, 2009