쿵 + 떨어지다 / 넘어지다 · 쿵쿵거리다
thud, thump (heavy fall)
Example
아이가 침대에서 쿵 떨어졌어요.
The child fell off the bed with a thud.
Word parts
의성어 (sound word) for a dull, heavy thud. Its bright-vowel partner 콩 is a small, light bump.
Good to know
Verb: 쿵쿵거리다 'to thump around', a common complaint about noisy upstairs neighbors. 가슴이 쿵 내려앉다 = 'my heart sank'.
Related words