My main and my ex screaming like it's a habit

from Delusional Thomas (Ft. Bill & Earl Sweatshirt) – Bill Lyrics on Rap Genius

Meaning

Earl’s main broad and ex girl are arguing with each other as if it’s a uncontrollable habit. They’re fighting over him, presumably.

Their screaming could also be referring to sex. Earl’s basically saying he delivers in the bedroom.

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