ドタン

adverb taking the 'to' particle, adverb

thud; with a thud

Mimetic word for a heavy thudding sound, such as a large object falling or a heavy body hitting the floor.

• 大おおきな荷に物もつがドタンと落おちた。

  A large package fell with a thud.

• 彼かれは疲つかれてベッドにドタンと倒