ClydeyoudaoicibaDictYouDict[Clyde 词源字典]
masc. proper name, from the family name, from the region of the Clyde River in Scotland (see Clydesdale). Most popular in U.S. for boys c. 1890-1910, falling off rapidly thereafter, hence probably its use in 1940s teenager slang for "a square, one not versed in popular music or culture."[Clyde etymology, Clyde origin, 英语词源]