Dictionary

boo–boo

noun \ˈbü-(ˌ)bü\

: a small injury (such as a bruise or scratch)

: a foolish or careless mistake

plural boo–boos

Full Definition of BOO-BOO

1
:  a usually trivial injury (as a bruise or scratch) —used especially by or of a child

Origin of BOO-BOO

probably baby-talk alteration of boohoo, imitation of the sound of weeping
First Known Use: 1953

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