clonk

 
Pronunciation: /klɒŋk/

noun

[in singular]
  • an abrupt, heavy sound of impact.

verb

  • 1 [no object] move with or make a clonk: the horses clonked and snorted softly
  • 2 [with object] informal hit: I’ll clonk you on the head

Derivatives

clonky

adjective

Origin:

mid 19th century: imitative