English

Definition of boo-boo noun from the Oxford Advanced Learner's Dictionary

     

    boo-boo

     noun
    noun
    BrE
     
    ; NAmE
     
     
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  1. 1(informal) a stupid mistake I think I've made a boo-boo.
  2. 2(North American English) a child’s word for a small cut or injury Do you want me to kiss your boo-boo?
  3. Word Origin 1950s (originally US): reduplication of boob ‘stupid person’.
See the Oxford Advanced American Dictionary entry: boo-boo