boo-boo
noun/ˈbuː buː/
/ˈbuː buː/
- (informal) a stupid mistake
- I think I've made a boo-boo.
- (North American English) a child’s word for a small cut or injury
- Do you want me to kiss your boo-boo?
Word Origin1950s (originally US): reduplication of boob ‘stupid person’.
Check pronunciation:
boo-boo