Holy crap, I spit holy crap
What a nigga know about that
I spit biblical shit

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

Meaning

He spits biblical shit, Crap is a synonym for shit and things in the bible are deemed to be holy
Therefore he literally spits holy crap

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