meaning of: ㅋㅋ - sound of giggling/laughing. ㅠㅠ / ㅜㅜ - sad/crying eyes. ㅎㅎ - [하하/haha] - Haha. ㅇㅇ - [응/ung] - Yes. ㅉㅉ - tsk tsk (that clicking sound you do with your tongue when you are displeased with someone). ㅇㅋ - [오키/oki] - Okay. ㄱㅅ - [감사/kamsa] - Thank you. ㅊㅋ - [축하 / chokha] - Congratulations. ㄴㄴ - [노노 / nono] - No. ㅈㅅ - [죄송 / joesong] - Sorry. ㄱㄷ - [기다려 / kidaryeo] - Wait. ㄱㄱ - [고고 / gogo] - Gogo. ㅂㅂ - [바이바이 / baibai] - Bye Bye. ㄷㄷ - [덜덜 / deoldeol] - I'm shivering. ㅅㄱ - [수고 / sugo] - Well done / Good job