덕통사고 (deoktongsago) — Suddenly becoming a fan.

Lesson 45 in our Korean Slang series, adapted from Korean Your Teacher Doesn’t Teach You by Injin Hwang.
What 덕통사고 means
Describe the unexpected moment when an artist or character wins you over completely. 덕통사고 playfully blends fandom language with the sound of 교통사고, a traffic accident. The surprise is the point: one clip unexpectedly creates a new fan.
A short conversation
A: 이 영상 보고 팬 됐어.
B: 덕통사고 제대로 났네.
A: This clip made me a fan.
B: You fell for them out of nowhere.
Use it with care
A fandom pun on 교통사고. It describes surprise, not an actual accident. The expression is most natural with friends or in an informal setting unless the context suggests otherwise.
A neutral or polite alternative: 그 영상을 보고 갑자기 팬이 됐어요.
That video suddenly made me a fan.
Try it yourself
Is 덕통사고 about a real road accident?
Answer: No. It is a playful fandom pun. Read the Korean conversation aloud and try changing one detail to fit your own day.
Based on the author’s slang collection, with additional learning notes. AI-generated illustration created for this lesson. Browse the Korean Slang series.
Keep exploring Korean expressions in the Korean slang book on Amazon.