20 Korean livestream phrases you will hear tonight

• 여러분 (yeoreobun) — 'everyone'. The standard way an idol addresses the whole stream.
• 왔어요? (wasseoyo?) — 'You came?' A greeting, not a question about travel.
• 오늘도 (oneuldo) — 'today as well', usually thanking you for showing up again.
• 잘 들려요? (jal deullyeoyo?) — 'Can you hear me okay?' A mic check, not a hearing question.

• 댓글 (daetgeul) — comments. Idols say this constantly while scrolling chat.
• 봤어요 (bwasseoyo) — 'I saw it', usually about a comment that just flew past.
• 빨라요 (ppallayo) — 'it's fast', meaning the chat is moving too quickly to read.
• 채팅 (chaeting) — chat, borrowed straight from English.

This is the category that breaks generic translators. Fandom vocabulary looks like ordinary nouns, so the translator helpfully converts it into an ordinary noun — and the sentence collapses.

• 최애 (choe-ae) — your bias, the member you love most. Literally 'most loved', which is why translators output awkward phrases like 'favourite-est'.
• 덕질 (deokjil) — the act of stanning, doing fan activities. Rarely translated at all.
• 입덕 (ipdeok) — the moment you fell into the fandom.
• 직캠 (jikaem) — fancam, a single-member camera cut.
• 응원법 (eungwonbeop) — the official fanchant.

• 진짜? (jinjja?) — 'really?', the single most common reaction word.
• 대박 (daebak) — 'wow' / 'that's huge'.
• 미쳤다 (michyeotda) — literally 'gone crazy', used the way English uses 'insane' as praise.
• 아니 (ani) — literally 'no', but usually functioning like 'wait—' at the start of a sentence.
• 그냥 (geunyang) — 'just', softens whatever follows.

• 이제 갈게요 (ije galgeyo) — 'I'm going now'.
• 잘 자요 (jal jayo) — 'sleep well'.
• 다음에 또 (da-eume tto) — 'again next time'.
• 사랑해요 (saranghaeyo) — 'I love you'.
• 조심히 가요 (josimhi gayo) — 'get home safe', said to the audience.
• 화이팅 (hwaiting) — 'fighting', an all-purpose good-luck cheer.

Livestream slang is a vocabulary problem before it is a grammar problem. A translator that has never been told 최애 is a fandom term will produce a technically defensible, completely useless sentence. Echo keeps a K-pop glossary of roughly 770 terms — names, fandom words, platform vocabulary — and applies it to live captions, so the words above arrive as the words fans actually use.