Top Definition
Good night! Usually said when it's late into the night.
Nighty-night, me lovelies! Think big now.
(From Wallace & Gromit - The Curse of the Were-rabbit)
by Peter Lu October 20, 2006
3 more definitions
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Good night! Usually said when it's late into the night.
Nighty-night, me lovelies! Think big now.
(From Wallace & Gromit - The Curse of the Were-rabbit)
by Peter Lu October 20, 2006
A cute way of saying good night to somebody or group of people.
Nighty night, sleep well now. :)
by sikknastyy February 17, 2015
To go unconscious or pass out.
He went " nighty-night " when he got hit over the head by the snowball.
by Paco Rivera March 16, 2005

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