Korean Slang: JMT (존맛탱) (JMT (jon-mat-taeng))

"Insanely delicious" — Modern Korean slang you need to know.

The Slang

JMT (존맛탱) (JMT (jon-mat-taeng)) — "Insanely delicious" 존나(really, vulgar intensifier) + 맛있다(delicious) + 탱 (emphatic suffix). Abbreviated to JMT. This is the kind of Korean you won't find in textbooks but will encounter everywhere online — in comments, texts, and social media. Understanding modern slang is key to sounding natural.

Why English Speakers Get It Wrong

Korean slang evolves fast and often uses abbreviations, wordplay, or borrowed English in unexpected ways. JMT (존맛탱) might look unfamiliar even if you know standard Korean. The challenge isn't just vocabulary — it's keeping up with how young Koreans actually communicate. Textbook Korean and real-life Korean are different worlds.

How It Works

Usage: Reacting to extremely delicious food. Examples: • 이거 JMT야! (igeo JMTya!) — "This is insanely good!" • 여기 떡볶이 존맛이야. (yeogi tteokboki jonmatiya.) — "The tteokbokki here is crazy delicious." You'll see this in Korean YouTube comments, KakaoTalk messages, and social media posts.

Real Examples

• 이거 JMT야! (igeo JMTya!) — "This is insanely good!" • 여기 떡볶이 존맛이야. (yeogi tteokboki jonmatiya.) — "The tteokbokki here is crazy delicious."

Common Mistakes

❌ Using slang in formal situations (work, elders, strangers) ✅ JMT (존맛탱) is for casual contexts: friends, texts, social media → Korean has strict formality levels. Using slang with your boss or professor is a serious social mistake. ❌ Overusing slang as a foreigner ✅ Start with understanding, then gradually use it when comfortable → Koreans appreciate when foreigners understand slang, but overuse can sound unnatural.

Quick Tip

JMT went viral from Korean food shows and YouTube. The full form 존맛탱 is mildly vulgar (존나 is a swear word), but JMT is so mainstream it's lost the edge. Used freely on food review shows and social media. Practice tip: Follow Korean social media accounts or YouTube channels and look for JMT (존맛탱) in the comments. Context is the best teacher for slang.

JMT went viral from Korean food shows and YouTube. The full form 존맛탱 is mildly vulgar (존나 is a swear word), but JMT is so mainstream it's lost the edge. Used freely on food review shows and social media.

Examples

이거 JMT야! — igeo JMTya! — This is insanely good!

여기 떡볶이 존맛이야. — yeogi tteokboki jonmatiya. — The tteokbokki here is crazy delicious.