So proper, hammer time, gun cocker
Top shotta, me hesitate none, pop ya

from Clipse (Ft. Slim Thug) – Wamp Wamp (What It Do) Lyrics 1 on Rap Genius

Firstly refers to MC Hammer’s “catchphrase” Hammer time. Hammer time also refers to cocking a gun, for you click the hammer back to ready it. As it is then Pusha’s gun hammer time, he will shoot you with his top markman skills with no hesistation

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