Pusha with the top down resembles a raisin in the sun; they’re both dark-skinned.
“A raisin in the sun” is a line from Langston Hughes’s poem, “Harlem”, and the title of a play by Lorraine Hansberry.
“Harlem” ponders the outcome of a deferred dream. With “a nigga still black”, Pusha might be responding to it’s line of questioning, meaning that despite his success he is still stigmatized for his race.
This video is processing – it'll appear automatically when it's done.