My president is black and my Prius is blue motherfucker

from Childish Gambino (Ft. Alley Boy, Swank & Tina Fey) – Real Estate Lyrics on Rap Genius

Meaning

A reference to a line from Young Jeezy’s “My President is Black”

My president is black, my Lambo’s blue
And I’ll be goddamned if my rims ain’t too

The line was famously used in an episode of The Boondocks, which is probably where Fey originally heard it (since she’s a TV writer and all that good shit)
http://www.youtube.com/watch?v=SUOHctF0H_s

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