I put my fuckin heart into this shit that I wrote
You muh'fuckers on some dope?

from Proof (Ft. J-Hill & Obie Trice) – 72nd & Central Lyrics on Rap Genius

Meaning

The life and up bringing of the rappers are expressed through their words that they portray through their songs. You must be crazy if you think that they are rapping for any other reason

To help improve the meaning of these lyrics, visit “72nd & Central” by Proof (Ft. J-Hill & Obie Trice) Lyrics and leave a comment on the lyrics box