Fuck y'all, I'mma let my grandkids ball

from Childish Gambino (Ft. Nipsey Hu$$le) – Black Faces Lyrics on Rap Genius

Meaning

He’s not worried about the life he’s living. He knows the money will come.
Donald is going to be making so much money, any family he has after he is done in the game will be able to just throw money around

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