clacking

Verb

clack (third-person singular simple present clacks, present participle clacking, simple past and past participle clacked)

1. (intransitive) To make a sudden, sharp noise, or succession of noises; to click.
   • We heard Mr. Hodson's whip clacking on the shoulders of the poor little wretches.1847 January – 1848 July, William Makepeace Thackeray, chapter 8, in Vanity Fair […], London: Bradbury and Evans […], published 1848, →OCLC
2. (transitive) To cause to make a sudden, sharp noise, or succession of noises; to click.
3. To chatter or babble; to utter rapidly without consideration.
   • There is a generation of men, whose unweighed custome makes them clack out any thing their heedleſs fancy ſprings1623, Owen Feltham, Resolves: Divine, Moral, Political
4. (UK) To cut the sheep's mark off (wool), to make the wool weigh less and thus yield less duty.

See all 9 meanings of clack