Don't make me call D. Rose boy
He six double-o boy

from Chief Keef – Love Sosa Lyrics on Rap Genius

Meaning

D. Rose (not the B-ball player), one of Chief Keef’s friends, reps 600 block (or “6hunna”) of Black Disciples in Chicago. He can be seen in the “John Madden” music video wearing a blue shirt and white beanie. .

http://www.youtube.com/watch?feature=player_detailpage&v=Jg9mJEE5PeQ#t=29s

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