ドシン

adverb taking the 'to' particle, adverb

with a thud; heavily; plumply

Mimetic word for a heavy, dull impact or a plump, weighty appearance. Often used with と.

• 大おおきな荷に物もつがドシンと落おちた。

  The heavy luggage fell with a thud.

• 彼かれはドシンとソファに座すわった。