While I’m still making references to police like a racist cop
Niggas scared when I’m on the beat

from Crooked I (Ft. Horseshoe G.A.N.G & Iceman) – Team COB Lyrics on Rap Genius

He sums up the last few lines of his “cop metaphors” by saying he’ll throw in one last line referring to police for the hell of it.
He also means when hes on a beat other rappers are scared while referring to black people being scared of racist cops on patrol.

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