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[boo-boo] /ˈbuˌbu/
noun, plural boo-boos. Slang.
a stupid or silly mistake; blunder.
a minor injury.
Origin of boo-boo
An Americanism dating back to 1950-55; baby talk Unabridged
Based on the Random House Dictionary, © Random House, Inc. 2018.
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Examples from the Web for boo-boo
Contemporary Examples
Historical Examples
  • "There's nothin' to boo-boo for," he said, with a half-affected brusqueness.

  • "'boo-boo' was the exception that proves the rule," answered Jack hotly.

    What Timmy Did

    Marie Adelaide Belloc Lowndes
British Dictionary definitions for boo-boo


noun (pl) -boos
(informal) an embarrassing mistake; blunder
Word Origin
C20: perhaps from nursery talk; compare boohoo
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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Word Origin and History for boo-boo

"mistake," 1954, apparently a reduplication of boob, which had acquired a secondary sense of "foolish mistake" (1934).

Online Etymology Dictionary, © 2010 Douglas Harper
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Slang definitions & phrases for boo-boo

boo-boo 1


An error or misstep, esp one with embarrassing consequences; faux pas: The original boo-boo that started all this public confusion

[1950s+; perhaps fr boob3; perhaps fr Yiddish bulba, ''potato,'' fr Polish, which came to mean ''malapropism, faux pas'']

boo-boo 2


A minor flesh wound or blemish

[1900+; perhaps fr boo-hoo, a child's crying over a minor hurt]

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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