Haters got mad and as sensitive as shinbones
Shinbones are a very delicate area of the human body. They receive much damage from simply just walking/running. this often develops into shin-splints, a common injury among sports players. Lupe’s critics hate that he has reached fame and are “sore” about the change.
‘mad and’ = Madden, also setting up the football scheme for the rest of the verse.
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