How many “ㅋ (keu)”s you type is the real message.
One letter can mean anything from a dry laugh to losing it completely — the difference is just how many times you type it.
In Korean texting, ㅋ (keu) stands in for laughter, the same job "haha" or "lol" does in English. What English doesn't really have is the second layer: exactly how many times someone types it changes what the laugh actually means.
When one letter is doing the opposite of laughing
ㅋ comes from the sound of the consonant itself — a clipped little "k" that mimics the start of a laugh. A single one, on its own, often isn't much of a laugh at all.
A SINGLE ㅋ, BARELY AMUSED
친구: 나 방금 계단에서 넘어질 뻔했잖아.
chingu: na banggeum gyedaneseo neomeojil ppeonhaetjana.
나: ㅋ
na: keu
“I almost fell down the stairs just now.” — Just “ha.” Flat, barely amused — maybe even a little judgmental.
Add a second one and it warms up slightly — ㅋㅋ reads as a small, genuine chuckle — though it can still feel a touch more restrained than what most people actually send back.
The default setting: three of them
Somewhere around three, ㅋ stops sounding measured and starts sounding automatic — the texting equivalent of a normal laugh, nothing more or less.
ㅋㅋㅋ, THE ORDINARY LAUGH
친구: 나 어제 완전 웃긴 일 있었잖아.
chingu: na eoje wanjeon utgin il isseotjana.
나: 뭔데 ㅋㅋㅋ 빨리 말해봐.
na: mwonde keukeukeu ppalli malhaebwa.
“Something so funny happened to me yesterday.” — “What is it, haha, tell me now.”
This is the version people type without thinking about it — the closest thing Korean texting has to a neutral laugh.
When it stops being countable
Past a certain point, nobody's actually counting anymore — the string itself is the message.
GENUINELY LOSING IT
친구: 나 방금 진짜 웃긴 짤 보냈잖아, 봤어?
chingu: na banggeum jinjja utgin jjal bonaetjana, bwasseo?
나: ㅋㅋㅋㅋㅋㅋㅋㅋ 나 진짜 숨넘어갈 뻔.
na: keukeukeukeukeukeukeukeu na jinjja sumneomeogal ppeon.
“I just sent you the funniest meme, did you see it?” — [long laughter] “I nearly died laughing, for real.”
A wall of ㅋ like this isn't measured at all — it's closer to a reflex than a reply, typed out before anyone stops to think about how many keys they just hit.
So next time a text ends in ㅋ, don't just clock that someone laughed — count how many times they typed it. That number is carrying as much of the message as the sentence sitting in front of it.