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Korean Slang: 30 Words and Expressions Used Between Friends

Heol! Daebak! Koreans use tons of slang words between friends. Here are the 30 most common slang expressions.

Nicolas

Published on February 15, 2026

Korean Slang: 30 Words and Expressions Used Between Friends

Korean Slang: A World of Its Own

Korean slang evolves very fast, influenced by the internet, social media, and K-pop. Some words are barely a few years old.

The Classics (Timeless)

KoreanRomanizationMeaningContext
대박daebakAmazing / JackpotPositive surprise
헐heolOMG / Seriously?!Shock, surprise
아싸assaYesss!Joy, celebration
짱jjangThe bestUltimate compliment
화이팅hwaitingFighting! / Let''s go!Encouragement
멘붕menbungMental breakdownBeing completely overwhelmed
꿀잼kkuljaemSuper fun"Fun as honey"
노잼nojaemNot fun / boringOpposite of 꿀잼
썸sseomAlmost datingAmbiguous pre-couple relationship

Reaction Expressions

KoreanRomanizationMeaning
인정injeongAgreed / True
실화?silhwa?For real?!
미쳤다michyeotdaThat''s crazy
쩐다jjeondaSo impressive
어이없다eoieoptdaUnbelievable / ridiculous

Internet Abbreviations

AbbreviationFull wordMeaning
ㅋㅋㅋ크크크Hahaha (laugh)
ㅎㅎ하하Haha (soft laugh)
ㅠㅠ / ㅜㅜ—Crying face
ㄱㅅ감사Thanks (shortened)
ㄴㄴ노노No no
ㅇㅇ응응Yes yes
ㄹㅇ리얼Really / For real

💡 Koreans don't use 😂. They use ㅋㅋㅋ. The more ㅋ, the funnier it is.

K-pop Slang You Need to Know

KoreanRomanizationMeaning
덕후deokhuObsessive fan (from "otaku")
최애choeaeBias / Ultimate favorite
올클olkeulAll-kill (dominating charts)
컴백keombaekComeback
입덕ipdeokBecoming a fan of a group
탈덕taldeokLeaving a fandom

Korean Texting Language

Koreans type very fast and abbreviate everything:

TextFull formMeaning
ㅇㅋ오케이OK
ㄱㄱ고고Go go (let's go)
ㅂㅂ바이바이Bye bye
1004천사Angel (1000 = 천, 4 = 사 → 천사)

💡 The numbers 1004 are read as 천사 (cheonsa = angel) because 1000 = 천 and 4 = 사. It''s a Korean number pun.

Warning: Slang Has Limits

Slang is exclusively for conversations between close friends of the same age. Never use these words:

  • With someone older
  • In professional settings
  • With strangers
  • In emails or letters

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