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Korean Slang · casual

대박 (daebak)

/te.pak̚/interjection / noun

A versatile expression meaning "awesome," "amazing," or "wow!" used to react to surprising or impressive things.

By Yijun Kim, Native Korean speaker and creator of Korean TokTokLast reviewed June 30, 2026
TL;DR · 대박 (daebak)
  • Meaning: A versatile expression meaning "awesome," "amazing," or "wow!" used to react to surprising or impressive things.
  • Pronunciation: /te.pak̚/ (daebak)
  • Part of speech: interjection / noun
  • Formality: Casual — for friends, family, and close peers.
  • Literal: big strike / jackpot

What does 대박 mean?

Daebak (대박, daebak) means "awesome," "amazing," or "jackpot" in Korean. It is an all-purpose exclamation you shout when something surprising or impressive happens — like "Wow!" or "No way!" — and it also works as a noun for a huge hit (a "daebak" movie) and a modifier for anything massive.

대박 (daebak) is one of the most widely used Korean slang words. It started as a gambling term meaning "jackpot" or "big strike" and evolved into an all-purpose exclamation of amazement. Korean speakers use it as both an interjection ("Daebak!" = "Wow!") and a noun ("a daebak" = "a huge hit"). The word covers everything from genuine astonishment to playful surprise — what makes it different from English "wow" is that 대박 carries a sense of scale: something must feel BIG to deserve a 대박. K-pop fans, sports fans, and anyone reacting to viral news will reach for it first.

Literal meaning
big strike / jackpot
Origin
Originally a gambling term in 1930s-era Korean meaning "a big hit." Entered mainstream slang in the early 2000s.

Examples in context

As an exclamation (Wow! / No way!)

The core use — a standalone shout of amazement.

대박! 이거 진짜 맛있다!
Daebak! Igeo jinjja masitda!
Wow! This is really delicious!
Reacting to food
대박! 이게 말이 돼?
Daebak! Ige mari dwae?
No way! How is this even possible?
Disbelief at something unreal
대박, 나 방금 길에서 아이돌 봤어!
Daebak, na banggeum gireseo aidol bwasseo!
OMG, I just saw an idol on the street!
Excited reaction to a surprise

Reacting to good news or luck

Celebrating luck, wins, or great news.

시험 100점 받았어? 대박이다!
Siheom baekjeom badasseo? Daebagida!
You got 100 on the test? That's amazing!
Reacting to good news
너 취업했어? 대박, 축하해!
Neo chwieophaesseo? Daebak, chukahae!
You got a job? Amazing, congrats!
Celebrating a friend's win
로또 당첨됐대. 완전 대박.
Lotto dangcheomdwaetdae. Wanjeon daebak.
He won the lottery. Total jackpot.
The original "jackpot" sense

As a noun (a huge hit / a smash)

As a noun, 대박 means a smash hit — a movie, song, or business.

그 영화 진짜 대박이야.
Geu yeonghwa jinjja daebagiya.
That movie is really a hit.
Used as a noun ("a hit")
이번 신곡 대박 났어.
Ibeon singok daebak nasseo.
Their new song was a huge hit.
A smash success
그 식당 요즘 대박이래.
Geu sikdang yojeum daebagirae.
That restaurant is killing it lately.
A business doing great

As a modifier (huge ~ / massive ~)

In front of a noun, 대박 amplifies it to "huge" or "massive."

대박 사건 났어.
Daebak sageon nasseo.
Something huge happened.
Modifier before a noun
대박 세일 한대, 가자!
Daebak seil handae, gaja!
There is a huge sale, let us go!
Modifier — "huge ~"
오늘 대박 더워.
Oneul daebak deowo.
It is insanely hot today.
As a "super" intensifier

Negative / ironic shock (oh no)

Tone can flip 대박 negative — shock at something bad.

대박... 나 폰 잃어버렸어.
Daebak... na pon ireobeoryeosseo.
Oh no... I lost my phone.
Negative shock
헐 대박, 시험 망했어.
Heol daebak, siheom manghaesseo.
OMG, I bombed the exam.
Paired with 헐 for bad news
대박이다 진짜, 또 지각이야?
Daebagida jinjja, tto jigagiya?
Unbelievable, late again?
Exasperated, ironic use

대박in K-pop & K-drama

Variety-show subtitles

예능 (Korean variety shows) splash 대박 across the screen in giant subtitle text whenever something jaw-dropping happens — a record score, a surprise reveal, a celebrity confession. It is one of the most-captioned reaction words on Korean TV.

K-pop comeback reactions

When an idol group drops a comeback, fan comments and reaction videos flood with "대박" — for the choreography, the vocals, the MV visuals. "역대급 대박" ("an all-time daebak") is a common fan verdict.

The K-drama named 대박

The 2016 historical K-drama 대박 (English title "Jackpot") took the word as its title, a nod to its gambling-era root meaning of "big win" — a sign of how deeply the word sits in everyday Korean.

When to use 대박

  • Reacting to surprising or impressive news
  • Expressing genuine excitement with friends
  • Describing a hit movie, song, restaurant, or event
  • Casual chats with people of similar age

When NOT to use 대박

  • Formal business presentations or interviews
  • Talking with elders unless you have a close relationship
  • Written reports, academic papers, or news articles (it stays casual)

대박 vs. similar terms

How 대박 compares with the reaction words it gets mixed up with

TermCore meaningIntensity / nuancePositive or negativePart of speech
대박 (daebak)Awesome / jackpot / huge hitHigh - emphasizes scale and surpriseUsually positive (can be shock)Interjection / noun
짱 (jjang)The best / top / coolestMedium-high - emphasizes rankingPositiveNoun / interjection / suffix
헐 (heol)OMG / no way / what?!Medium - pure shock or disbeliefNeutral (tone decides)Interjection
미친 (michin)Crazy / insane / sickVery high - wild and edgyPositive or negativeAdjective / interjection
진짜 (jinjja)Really / for realLow-medium - general emphasisNeutralAdverb / interjection

Related terms

Cluster · Reactions

More in Reactions

Express surprise, hype, and disbelief — the most common K-drama exclamations.

Frequently asked questions

What does 대박 mean in Korean?

대박 (daebak) means "awesome," "amazing," or "huge." It is used as an interjection to react to surprising or impressive things, similar to "wow" or "no way" in English. Originally a gambling term for "jackpot," it became one of the most popular Korean slang words.

Is 대박 the same as 짱?

They overlap but emphasize different things. 짱 (jjang) emphasizes being "the best" or "coolest" — you can call a person 짱. 대박 (daebak) emphasizes scale or surprise — you would call a viral event a 대박, not 짱.

How do you pronounce 대박?

대박 is pronounced [te.pak̚] — roughly "deh-bahk" with a soft, unaspirated final K. The first syllable rhymes with the English word "day," and the final K is barely released.

Can I use 대박 with my Korean boss?

No. 대박 is casual slang. Use 대단하다 (daedanhada — "remarkable") or 훌륭하다 (hullyunghada — "excellent") in formal or workplace settings instead.

Is 대박 always positive?

대박 leans positive — it usually celebrates something impressive or lucky. But it can also voice negative shock: "대박, 나 망했어" means "Oh no, I'm ruined." Tone and context decide. The pure-shock cousin 헐 (heol) covers the negative side more often.

What is the difference between 대박 and 헐?

대박 (daebak) reacts to scale — something big, impressive, or lucky, usually positive. 헐 (heol) reacts to shock or disbelief and leans neutral-to-negative. They are so complementary that Koreans stack them: "헐, 대박!" ("No way — amazing!").

More Korean slang?

Browse the full Korean Slang Dictionary or read the deep-dive: Korean Slang Ultimate Guide.