The line: "Doreen, Maskenmann, AIDS-Test: positiv" (German: "Doreen, Maskman, AIDS test: positive") mocks Doreen Steinert and Sido, who were a couple that time, with this line [REF].
In the song, Bushido also took aim at Bass Sultan Hengzt and his label Amstaff Muzx, Raptile, Rapsoul and Curse.