catcall (n.)youdaoicibaDictYouDict[catcall 词源字典]
1650s, a type of noisemaker (Johnson describes it as a "squeaking instrument") used to express dissatisfaction in play-houses, from cat (n.) + call (n.); presumably because it sounded like an angry cat. As a verb, attested from 1734.[catcall etymology, catcall origin, 英语词源]