I've got some more.^^ - argh (frustrated sound) (으)악 - (eu) ak - achoo (sneeze sound) 에취(God bless you!) - e chwi - ahem (excuse me, I want to talk now...) 에헴 - e hem - boo! (scaring someone) 까꿍 - kka kkung - burp (belching sound) 꺼억 - kkeo eok - cough (when you have a cold) 콜록콜록 - kol lok kol lok - gasp (when you are shocked) 헉 - heok - moan/ groan/grunt (working hard physically sound) 끙끙 - kkeung kkeung - gurgle (like water going down a drain) 콸콸 - kwal kwal - hiccup (diaphram/chest strange breathing - short huff) 딸꾹 - ttal kkuk - hohoho (santa) 호호호 - ho ho ho - mumble/murmur/mutter (talking to myself) 중얼중얼 - jung eol jung eol - sniff (a cold in the nose) 훌쩍 - hul jjeok - snort (loud inhale through the nose) 크억크억 - keu eok keu eok - ugh (disgust) 우웩 - u wek - yikes! (oh my god! help!) 허걱,헉,꺄 - heo geok, heok, kkya - quack (duck) 꽥꽥 kwaek kwaek - rip (tear paper) 부욱 bu uk - roar (lion) 으르렁 eu reu reong - rumble (earthquake) 우르르,우르릉 u reu reu, u reu reung - rustle (fall leaves) 툭, 살랑살랑(a breeze passing through the leaves) tug, sal lang sal lang - screech (car stops fast) 키이익 ki i ik - shuffle (drag feet on the floor) 질질 jil jil - sizzle (cooking meat) 지글지글 ji geul ji geul - slurp (drinking with a straw) 쭈욱(at once),후르룩,꾸룩꾸룩 jiu ug, hu reu rug, kku ruk kku ruk - squish (make smaller between your hands) 꽈지직 kkwa ji jik - swoosh (drive by quickly) 휙,쉭 hwig, swik - zip (zipper noise) 지이익 ji i ik - zoom (sound of a plane) 윙윙,슝슝 wing wing, syung syung - creak (old wooden floor or opening old door sound) 삐그덕 ppi geu deok \^o^/