Yo heat's in the car, mine's in this bitch
(Oh! oh! oh!), mine's in this bitch
(Oh! oh! oh!), mine's in this bitch
Better listen up close nigga, don't trip
Yo heat's in the car, mine's in this bitch

from Royce Da 5'9" (Ft. Mr. Porter) – Mine in Thiz Lyrics on Rap Genius

You left your gun in the car while Mr. Porter, being the G that he is, snuck his gun in with him

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