SKY Castle's "Sseoaeng-nim"
Original Korean title
SKY 캐슬 쓰앵님
A catchphrase born from actress Yeom Jung-ah's exaggerated pronunciation of "teacher" (seonsaengnim) in the drama SKY Castle.
Originated around 2018Last updated: August 4, 2026
What does it mean?
In the 2018 JTBC drama SKY Castle, Yeom Jung-ah's character Han Seo-jin clings to admissions coordinator Kim Ju-young (played by Kim Seo-hyung), pronouncing "seonsaengnim" (teacher) as "sseoaeng-nim," and the scene went viral. Other lines from the show, including "eogalmeori" and "who killed Hyena," likewise became catchphrases that were widely parodied and impersonated.
Where did it start?
A line spoken by Han Seo-jin (Yeom Jung-ah) in the JTBC drama SKY Castle (2018).
How is it used?
Used to parody desperately trying to persuade someone.
Ratings by context haven't been confirmed yet.