Niggas fucked up they get no instrumentals now
Next time you spitting on mine
Bet your bottom dollar you be spitting over rhymes

from Pharoahe Monch – What It Is Lyrics on Rap Genius

Meaning

You—a mediocre rapper—lack the status to get the hot instrumentals from top producers that Pharoahe has access to. And because you pissed him off (you know what you did), he isn’t even going to let you get your hands on instrumentals he’s already used so you can release your crappy mixtapes. If you think his instrumentals are hot, you can try to layer your vocals over his, but no way are you getting a clean instrumental.

Presumably the reference is to Simon Says, the most popular instrumental for rappers to freestyle over from 1999-2008 (when it was surpassed by Lil Wayne’s A Milli).

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