nighty-night
[ nahy-tee-nahyt ]
/ ˈnaɪ tiˈnaɪt /
interjection Informal.
Origin of nighty-night
Words nearby nighty-night
nighttide,
nighttime,
nightwalker,
nightwear,
nighty,
nighty-night,
nigiri,
nigiri-zushi,
nigra,
nigrescent,
nigrify
Example sentences from the Web for nighty-night
If you're a good boy, maybe I'll kiss you when we say nighty-night.
Babbitt |Sinclair Lewis