What you have if your white and your a rapper and you actually sound good when you rap. People with this disease usually get made fun of for being a white rapper but when someone actually listens to their music they sound good and earn respect.
White guy: Hey man you wanna hear my rap song?
Black guy: *laughs* ok white boy lets see how much you suck.
*they both listen to the white guys rap song*
Black guy: Damn you ripped that shit up.
White guy: I know, and I'm white too I dont understand.
Black guy: Seems like you have the Eminem Disease.
White guy: Huh, I never knew that.