どてん

adverb taking the 'to' particle, adverb

thud; with a thud

Mimetic word for a heavy, dull impact sound, often of a large object falling or hitting something. Used adverbially with と.

• 大おおきな荷に物もつがどてんと落おちた。

  The large package fell with a thud.

• 彼かれは疲つかれてどてんとソファに倒たおれ込こんだ。

  Exhausted, he flopped onto the sofa with a thud.