hoity-toityyoudaoicibaDictYouDict[hoity-toity 词源字典]
also hoity toity, 1660s, "riotous behavior," from earlier highty tighty "frolicsome, flighty," perhaps an alteration and reduplication of dialectal hoyting "acting the hoyden, romping" (1590s), see hoyden. Sense of "haughty" first recorded late 1800s, probably on similarity of sound.[hoity-toity etymology, hoity-toity origin, 英语词源]