It's been nothing but him hustling,
Old schooling, instruction was mean

from Lupe Fiasco – WGCI Freestyle Lyrics on Rap Genius

Meaning

He’s been hustling since he came in the game, and was taught by the old school hustlers who came before him.

To help improve the meaning of these lyrics, visit “WGCI Freestyle” by Lupe Fiasco Lyrics and leave a comment on the lyrics box