铁粉

鐵粉
tiěfěn
(slang) hardcore fan (abbr. for 铁杆粉丝 tiěgǎnfěnsī)

CEDICT

slang

Entry Composition

1 铁 tiě
  1. iron (metal)
  2. arms
  3. weapons
  4. hard
  5. strong
  6. violent
  7. unshakeable
  8. determined
  9. close
  10. tight (slang)
2 粉 fěn
  1. powder
  2. cosmetic face powder
  3. food prepared from starch; noodles or pasta made from any kind of flour
  4. to turn to powder
  5. (dialect) to whitewash
  6. white
  7. pink
  8. (suffix) fan (abbr. for 粉丝 fěnsī)
  9. to be a fan of