gg
Gloss: good game
Korean Hangul: ㅈㅈ (abbreviation for 지지)
English-Korean typo: ww (hitting ㅈ without switching language)
Korean Hangul typo: ㅎㅎ (hitting the gg combination on the keyboard)
wp
Gloss: well played
ggyo
Gloss: good game with the Korean politeness marker yo(요) at the end
pp/ppp
Meaning: variously defined as pause please/please pause but actually just the only thing allowed to type in game according to KeSPA that's not gg
g
Gloss: go (start or unpause)
Korean hangul: ㄱㄱ (abbreviation for 고고 gogo)
English-Korean typo: rr (hitting ㄱ without changing language)
ㅋㅋ(ㅋ...)
Meaning: 크크 (keu keu) onomatopoeic for laughter
English-Korean typo: zz (hitting ㅋ without changing language)
ㅅㄱ
Meaning: 스고 (sugo) short for 수고하셨습니다 thank you for your hard work
ㅇㅇ
Gloss: 응응 (eung eung) meaning mm for yes
ㄴㄴ
Gloss: 노노 (no no) for no
ㅇㅋ
Gloss: OK for orl korrekt
ㅎㅎ(ㅎ...)
Gloss: 하하 (ha ha) when actually meant and not a typo
Explanation: it's more like lol because you're not actually laughing
ㄱㅅ
Gloss: 감사 (gamsa) which is short for 감사합니다 (gamsahamnida) (感謝 thanks + 하다 to do) thank you
ㅅㅅ(ㅅ...)
Gloss: 샷샷 (shat shat) from 나이스 셧 (naiseu shat) nice shot used to compliment a player on a good play
ㄲㅂ
Gloss: 까비 (kkabi) which is slang for 아깝다 which is pity
Some people think it means "close!" or "almost!" and in most cases that's close enough, but in the sentence 링좀 많이 찍었는데 아깝다 (it's a pity he made many lings) it obviously wouldn't apply
ㄷㄷ
Gloss: 덜덜 (deol deol) onomatopoeic for shaking
ㅠㅠ
Gloss: emoji for crying
ㅎㅇ
Gloss: 하이요 (hai yo) hi with the Korean politeness marker yo(요) at the end
ㅂㅂ
Gloss: 바이바이 (bai bai) English bye-bye
ㅁㄹ
Gloss: 몰라 (molla) don't know
ㅇㅈ
Gloss: 인정 (injeong) acknowledged
ㅊㅋ
Gloss: 축하 (jukha) (the final consonant k gets aspiration from the following h) 祝賀 congratulations
ㄱㅊ
Gloss: 괜찮아 (gwaenchanha) it's fine
ㅈㄹ
Gloss: 지랄 (jiral) bullshit, usually used when you have good latency and say you don't speak Korean