Definition of nighty-night in English:

nighty-night

(also nightie-night)

exclamation ˈnʌɪtɪˌnʌɪtˌnʌɪtɪˈnʌɪt

informal

Late 19th century; earliest use found in Texas Siftings. Alteration of night-night, with addition of -y to the first element.

(also nightie-night)

exclamation

informal

Late 19th century; earliest use found in Texas Siftings. Alteration of night-night, with addition of -y to the first element.

词汇	nighty-night
释义	Definition of nighty-night in English: nighty-night (also nightie-night) exclamation ˈnʌɪtɪˌnʌɪtˌnʌɪtɪˈnʌɪt informal Night-night. Origin Late 19th century; earliest use found in Texas Siftings. Alteration of night-night, with addition of -y to the first element. Definition of nighty-night in US English: nighty-night (also nightie-night) exclamation informal Night-night. Origin Late 19th century; earliest use found in Texas Siftings. Alteration of night-night, with addition of -y to the first element.
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