I put this Mac to your face like lip gloss

from Meek Mill (Ft. Guordan) – From Da Bottom Lyrics on Rap Genius

Meaning

Meek Mill will put a “Mac” to your face. Mac refers to two things here:

1) MAC 10 is an American based machinegun pistol

2) MAC Cosmetics is a company that makes and sells makeup, lip glosses, lady products, etc.

Nice wordplay by Meek here, he will put the MAC (the gun) to your face like lip gloss (MAC lip gloss)

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