Coulda been Trayvon
But instead I chose Avon
Powder face like a geisha

from Pusha T (Ft. Future) – Pain Lyrics on Rap Genius

Meaning

Trayvon Martin was a high profile case in the beginning part of 2012 that incited cries of racism and corruption in Sanford, Florida, in which a 17 year old male, named Trayvon Martin, was reportedly “acting suspicious” and therefore approached by a concerned George Zimmerman. He got in a unwarranted scuffle with Trayvon, which ultimately led to the him shooting and killing Martin at close range with one shot in the chest. .

The point is to say that Pusha could have ended up a victim, but he made the right moves to become a drug kingpin like the fictional character Avon Barksdale from the TV show The Wire.
To expand on the Trayvon/Avon contrast: As a young black American male, he would have been seen as a thug no matter what he did, so why be passive and become a victim? Might as well become a thug, and reap the benefits.

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