nighty night

nighty night

A childish or sentimental way or saying "good night." Sometimes spelled with a hyphen. Nighty night, Daddy. I love you! Nighty-night, kids, sleep tight!
See also: night
Farlex Dictionary of Idioms.
See also:
  • night night
  • I was up all night with a sick friend
  • at night
  • day and night
  • a night on the tiles
  • tile
  • the still of (the) night
  • the still of the night
  • night
  • the morning after