clunk (v.)youdaoicibaDictYouDict[clunk 词源字典]
1796, "to make the sound of a cork being pulled from a bottle;" imitative. This was the main sense through most of 19c. Meaning "to hit, strike" is attested from 1940s. Related: Clunked; clunking.[clunk etymology, clunk origin, 英语词源]