blackster

noun2

1. •
   (slang, rare) A fan of black metal music.

   • A "blackster" (a fan of heavy metal, the satanic kind) isn't going to join a stuffed animal club, of course, but he does listen to music and try to translate the words of the songs. — 2001
2. •
   (no longer used, historical) One who dyes or colours things black