clunk

 
Pronunciation: /klʌŋk/

noun

  • 1a dull sound such as that made by heavy metal objects striking together: there was a clunk as the receiver went down
  • 2US informal a stupid or foolish person: don’t let her see what a clunk I’m married to

verb

[no object]
  • move with or make a clunk: the machinery clunked into life

Origin:

late 18th century (originally Scots, as a verb): imitative; compare with clank, clink1, and clonk