Never sold a rock and look I made it bitch
In the hood, some people believe the only way to make it out is selling drugs (cf. Nino Brown, Ace Boogie, Scarface, etc..).
He’s saying that he never did things like that, but he’s still making it in life. Also a reference to his label, Roc Nation who’s founder (Jay-Z) actually did sell drugs. He never sold a rock but he made it to the Roc.
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