1. What does it mean?
덕통사고 playfully blends 덕후 with 교통사고, a traffic accident. It describes being hit unexpectedly by a performance, photo, character, or personality and suddenly falling into fandom. No actual collision is implied.
Also written or said as deoktongsago
2. The nuance
It emphasizes the abrupt spark of 입덕, not a dangerous incident. Use it in clearly playful fan conversation.
3. Examples
“무대 영상 하나 보고 덕통사고 당했어.”
One performance video unexpectedly turned me into a fan.
“그 표정이 내 덕통사고의 시작이었지.”
That facial expression was the moment I unexpectedly fell into the fandom.
Sources
References support the meaning and usage. Example sentences are written for NoCapWiki.