bozo (n.)youdaoicibaDictYouDict[bozo 词源字典]
"muscular low-I.Q. male," c. 1910, perhaps from Spanish bozal, used in the slave trade and also to mean "one who speaks Spanish poorly." Bozo the clown was created 1940 at Capitol Records as the voice in a series of story-telling records for children ["Wall Street Journal," Oct. 31, 1983].[bozo etymology, bozo origin, 英语词源]