noun, plural boo-boos. Slang.
Origin of boo-boo
Examples from the Web for boo-boo
Contemporary Examples of boo-boo
And unlike the speech I delivered in 2003, you managed to finish without describing people who solve problems as “Boo-Boo Fixers.”Read Jon Favreau’s Full Commencement Address to College of the Holy Cross
May 27, 2014
Historical Examples of boo-boo
noun plural -boos
Word Origin for boo-boo
"mistake," 1954, apparently a reduplication of boob, which had acquired a secondary sense of "foolish mistake" (1934).