Korean slang profile
ㅁㅊ
Crazy
A consonant abbreviation of 미친, used to express shock, disbelief, or amazement.
Caution: It can be insulting when directed at a person.
- Expanded form
- 미친Crazy
- Other spellings
- —
- Earliest source found
- 2011
- Documented trend period
- Not verified
This is the earliest source we have verified, not the date the term was coined.
01Examples, with English translations
- Example by Julimmal
이 가격 실화? ㅁㅊ.
Is that price for real? That's crazy.
02Documented history
- 2011There is an example of ㅁㅊ being used in the chat sentence data in the results report of the National Institute of the Korean Language’s ‘National Survey on Youth Language Status and Language Awareness.’[1]
03Origin & word formation
Commonly explained as the initial consonants of 미친, meaning “crazy.” However, the supporting report only documents examples. The expression comes from coarse language and calls for care.
Evidence for the origin explanationLow
No source directly explaining the initial consonants has been verified. Only examples of usage have been confirmed.
04Sources
Original titles and links are preserved. An English translation does not replace the original source.
- 청소년 언어실태·언어의식 전국 조사 (국립국어원·한양대학교 산학협력단)Published 2011Original source checked Nov 5, 2026