nighty-night


Also found in: Idioms.

night·y-night

(nī′tē-nīt′) Informal
interj.
Variant of night-night.

[Reduplication of night + -y.]
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
References in periodicals archive ?
We're back to the most likely outcome, which would be saying nighty-night to the EU at 11pm on March 29, 2019 as was always intended.
Over to tower, nighty-night don't let the bed bugs bite!"
Oa schoolgirl called Keira Knightley read bedtime stories to little Dani Dyer, before tucking her in and saying nighty-night.
Laura Numeroff's NIGHTY-NIGHT, COOPER (9780547402055, $16.99) tells of two kangaroos who have a surprise, with a special bedtime approach just for kangaroos that make for a special world.
This powder is supposed to either send people off to nighty-night, or, in a lower concentration, just make them really, really mellow, and like, not wanna fight, dude.
Who can resist the whimsical packaging and names like Metabolic Frolic, Nighty-Night, Red Zinger and Grandma's Tummy Mint?
Once upon a time...a schoolgirl called Keira Knightley read bedtime stories to little Dani Dyer, before tucking her in and saying nighty-night.