Advance ㄷ with a thud in Korean: 덜컥’s meaning and pronunciation with a thud in Korean is 덜컥. For examples, you can use like [가슴이 덜컥 내려앉다, 겁이 덜컥 나다]. In this post you will learn how to pronounce and use with a thud in Korean along with examples. 2022.12.21 Advance ㄷAdvanced WordsWordsㄷ