hippie (n.)youdaoicibaDictYouDict[hippie 词源字典]
c. 1965, American English (Haight-Ashbury slang); earlier hippie, 1953, was a usually disparaging variant of hipster (1941) "person who is keenly aware of the new and stylish," from hip "up-to-date" (see hip (adj.)).[hippie etymology, hippie origin, 英语词源]