If you want to speak Korean naturally, learning slang and casual expressions is essential.
While studying grammar from textbooks gives you a strong foundation, real-life Korean sounds very different. Native speakers frequently use informal expressions in conversations with friends, on social media, and in messaging apps like KakaoTalk.
You’ll hear these expressions constantly in K-dramas, YouTube videos, and everyday conversations. Without them, it can feel like you’re missing a big part of what people are actually saying.
In this guide, you’ll learn 30 Korean slang and casual expressions used to describe emotions and reactions, along with meanings, examples, and tips to use them naturally.
Happiness & Excitement
1) 대박 (daebak)
Meaning: Awesome / Jackpot
Example: 대박! 이거 진짜 맛있다!
(Awesome! This is really delicious!)
Explanation: A very common reaction when something is amazing, surprising, or impressive.
2) 짱 (jjang)
Meaning: The best
Example: 이 노래 짱이다.
(This song is the best.)
Explanation: Casual and widely used, especially among younger speakers.
3) 행복해 죽겠다 (haengbokhae jukgetta)
Meaning: I’m so happy I could die
Example: 오늘 너무 행복해 죽겠다.
(I’m so happy today I could die.)
Explanation: Not slang, but a very natural exaggeration used in daily speech.
4) 완전 좋아 (wanjeon joa)
Meaning: I totally love it
Example: 이 스타일 완전 좋아.
(I totally love this style.)
Explanation: 완전 (“totally”) adds strong emphasis in casual speech.
5) 신난다 (shinnanda)
Meaning: This is exciting!
Example: 여행 간다! 신난다!
(I’m going on a trip! This is exciting!)
Explanation: A natural way to express excitement or anticipation.
6) 개좋아 (gae-joa)
Meaning: Freaking good
Example: 이거 개좋아.
(This is freaking good.)
Explanation: “개” intensifies meaning. Very casual and slightly rough—avoid in polite situations.
Surprise & Shock
7) 헐 (heol)
Meaning: OMG / What?!
Example: 헐, 진짜야?
(OMG, really?)
Explanation: Extremely common reaction to unexpected news.
8) 뭐야 이거 (mwoya igeo)
Meaning: What is this?!
Example: 뭐야 이거, 너무 웃겨.
(What is this? It’s so funny.)
Explanation: Used in both positive and negative surprise situations.
9) 대박이다 (daebag-ida)
Meaning: That’s insane / That’s amazing
Example: 그거 완전 대박이다.
(That’s totally insane/amazing.)
Explanation: Much more natural than “대박 사건” in real conversation.
10) 미쳤다 (michyeotda)
Meaning: That’s crazy
Example: 이 가격 미쳤다.
(This price is insane.)
Explanation: Can be positive or negative depending on tone.
11) 레전드 (re-jeon-deu)
Meaning: Legendary
Example: 이 장면 레전드다.
(This scene is legendary.)
Explanation: Popular online and in casual speech.
12) 실화냐 (silhwanya)
Meaning: Is this real?
Example: 이거 실화냐?
(Is this for real?)
Explanation: Internet slang, often used jokingly.
Anger & Frustration
13) 열받아 (yeol-bada)
Meaning: I’m pissed
Example: 진짜 열받아.
(I’m really pissed.)
Explanation: Literally “my heat is rising.”
14) 짜증나 (jjajeungna)
Meaning: So annoying
Example: 비 와서 짜증나.
(It’s raining—so annoying.)
Explanation: Very common in everyday speech.
15) 빡쳐 (ppakchyeo)
Meaning: I’m furious
Example: 진짜 빡쳐.
(I’m seriously mad.)
Explanation: Stronger and more aggressive than 짜증나.
16) 어이없다 (eoi eopda)
Meaning: That’s ridiculous
Example: 그 말 어이없다.
(That’s ridiculous.)
Explanation: Used when something makes no sense.
17) 킹받네 (king-batne)
Meaning: Weirdly annoying
Example: 왜 이렇게 킹받네.
(Why is this so annoyingly irritating?)
Explanation: Trendy internet slang with a humorous tone.
18) 스트레스 받는다 (seuteureseu batneunda)
Meaning: I’m stressed
Example: 일 때문에 스트레스 받는다.
(I’m stressed because of work.)
Explanation: Common everyday expression.
Embarrassment & Awkwardness
19) 민망하다 (minmanghada)
Meaning: Awkward / embarrassing
Example: 혼자 넘어져서 민망했다.
(I fell by myself—it was awkward.)
Explanation: Mild embarrassment.
20) 쪽팔려 (jjokpallyeo)
Meaning: That’s embarrassing
Example: 이거 진짜 쪽팔려.
(This is so embarrassing.)
Explanation: More casual and slightly rough.
21) 오글거려 (ogeulgeoryeo)
Meaning: Cringe
Example: 이 대사 오글거려.
(This line is cringe.)
Explanation: Used for cheesy or overly dramatic things.
22) 창피해 (changpihae)
Meaning: I’m embarrassed
Example: 사람 많아서 창피해.
(I’m embarrassed because there are so many people.)
Explanation: Very common everyday expression.
23) 부끄럽다 (bukkeureopda)
Meaning: I feel shy
Example: 칭찬받아서 부끄럽다.
(I feel shy after being praised.)
Explanation: Softer and more emotional than 창피해.
24) 어색해 (eosaekhae)
Meaning: Awkward
Example: 처음 만나서 어색해.
(It’s awkward because we just met.)
Explanation: Used in unfamiliar situations.
Excitement & Admiration
25) 존맛 (jonmat)
Meaning: Super delicious
Example: 이거 존맛이다.
(This is insanely tasty.)
Explanation: Very casual slang derived from stronger language—avoid in formal contexts.
26) 존예 (jonye)
Meaning: Super pretty
Example: 그 사람 존예야.
(She’s super pretty.)
Explanation: Popular slang, especially online.
27) 심쿵 (simkung)
Meaning: Heart-flutter
Example: 그 말에 심쿵했다.
(My heart skipped a beat because of that.)
Explanation: Often used in romantic contexts.
28) 감동이다 (gamdong-ida)
Meaning: I’m touched
Example: 이 영화 감동이다.
(This movie is touching.)
Explanation: Common emotional expression.
29) 미쳤어 (michyeosseo)
Meaning: That’s insane (in a good way)
Example: 이 공연 미쳤어.
(This performance is insane.)
Explanation: Very common for strong positive reactions.
30) 눈물 난다 (nunmul nanda)
Meaning: I’m tearing up
Example: 이 장면 보고 눈물 난다.
(I’m tearing up watching this scene.)
Explanation: Used when something is very emotional.
Common Mistakes with Korean Slang
- Using slang in formal situations: Avoid expressions like 개좋아 or 존맛 in polite conversations.
- Mixing formal and casual endings: Don’t say things like 개 좋습니다.
- Ignoring tone and context: Words like 미쳤다 can be positive or negative depending on delivery.
Pro Tips to Sound Natural
- Match the situation: Use slang with friends, not in formal settings.
- Listen first: Pay attention to how expressions are used in K-dramas and YouTube.
- Focus on tone: Intonation and facial expression matter a lot.
- Start small: Learn high-frequency words like 대박, 헐, and 짜증나 first.
- Know texting vs speaking differences: Expressions like 실화냐 or 레전드 are more common online.
FAQ: Korean Slang for Emotions
What is Korean slang?
Korean slang refers to informal expressions commonly used in casual conversations, especially among younger speakers.
Is Korean slang important?
Yes. It helps you understand real conversations and sound more natural.
Can beginners learn Korean slang?
Absolutely. Start with simple expressions like 대박 and 헐.
Is Korean slang impolite?
Not necessarily—but many expressions are very casual, so use them carefully.
Where can I learn more?
K-dramas, YouTube, social media, and language apps are great resources.
