If I don't grind, I don't shine, if I don't shine, then I don't eat
Won't eat, then I'mma starve, if I'mma starve, I pull heat
On all y'all bitch ass niggas, all y'all rich ass niggas
Cause if I dont make no money nigga, I'm gon' take yo money nigga

from DJ Drama (Ft. 2 Chainz, Jeremih & Meek Mill) – My Moment Lyrics on Rap Genius

Meaning

Long story short, if Meek doesn’t stay on top of his game he will fall off, then he will be robbing you for what is in your pockets.

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