nighty-nighty
/ˌnʌɪtɪˈnʌɪtɪ/(also nightie-nightie) informal
exclamation
= night-night.
Origin
Late 19th century. Alteration of night-night, with addition of -y to both elements.
- distributional
- distribution board
- distributive
- distributively
- distributor
- distributor cap
- district
- district attorney
- district auditor
- district commissioner
- district court
- district heating
- district high school
- district nurse
- District of Columbia
- district plan
- district surgeon
- distro
- distrust
- distruster
- distrustful
- distrustfully
- disturb
- disturbance
- disturbed