Stir my style crazy
Cause that's right, we bad, we bad
Pryor to Richard I was that crazy nigga

from Common – Watermelon Lyrics on Rap Genius

Meaning

A reference to a scene from the 1980 Gene Wilder-Richard Pryor comedy Stir Crazy, in which the two leading characters try to convince their fellow inmates that they are “bad”, trying to ward off prison bullying.

Bleeding into the next line, Com references “That Nigger’s Crazy,” album by Pryor.
Also uses wordplay with “Pryor/prior.”

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