basic-ass music fan Share definition Flag A music fan who is a rapper or musician but has no right to call themselves a rapper or musician. My boi made a diss track aimed at a basic-ass music fan who threatened to expose him on social media basic-ass music fan by YuOfTheNight April 17, 2019 0 0 Get merch Get the basic-ass music fan mug. Buy Now — $32.95 See more merch