FromK-pop +‎-er.

K-popper (pluralK-poppers)

1. A person who performs, dances to, or enjoysK-popmusic.
   • May 24, 2019, Koreaboo,https://www.koreaboo.com/stories/top-10-hollywood-stars-also-kpop-stans/:

     Chloë Grace Moretz is also quite the CelebK-Popper success story.

• English terms suffixed with -er (occupation)
• English lemmas
• English nouns
• English countable nouns
• English multiword terms
• English terms with quotations
• en:Fans (people)

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