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bye-bye

[interj. bahy-bahy; n., adv. bahy-bahy] /interj. ˈbaɪˈbaɪ; n., adv. ˈbaɪˌbaɪ/
interjection
1.
Informal. good-bye.
noun
2.
Baby Talk. sleep.
Idioms
3.
go bye-bye, Baby Talk.
  1. to leave; depart; go out.
  2. to go to sleep; go to bed.
Origin
1700-1710
1700-10; apparently orig. nursery phrase used to lull a child to sleep, later construed as reduplicative form of by2, short for good-bye
Dictionary.com Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2014.
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British Dictionary definitions for bye-byes

bye-byes

noun
1.
(functioning as sing) an informal word, used esp to children, for sleep go to bye-byes
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
© William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins
Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012
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Slang definitions & phrases for bye-byes

bye-bye

noun

Good-bye: bye-bye for now (1867+)


The Dictionary of American Slang, Fourth Edition by Barbara Ann Kipfer, PhD. and Robert L. Chapman, Ph.D.
Copyright (C) 2007 by HarperCollins Publishers.
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Word Value for bye

8
8
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