That’s dope, nigga!

from Meek Mill (Ft. Nicki Minaj & Rick Ross) – Dope Dealer Lyrics on Rap Genius

Meaning

He made enough money to buy a Rollie by sellin' dope. Also a play n words to reference homer simpson when he says “d'oh” and a double entendre for dough (money).
http://www.youtube.com/watch?v=vD_ZKcfZxbs

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