Can also be said as "on my glock" or "I put that on my glock," referring to a Glock pistol. It is basically another way of saying "on god" or "on my mother."
Guy 1: That foo' didn't see us comin'!
Guy 2: And that's on Glock!
Famous term used by a big ass Armenian gangster with a beard and gold sunglasses most commonly used before he pulls up on your block with his Glock or he is currently on your block with his Glock.
WHATS GOOD ? NOT MUCH NIGGA I BE ON DA BLOCK WITH DA GLOCK APEE !