Definition of boo-boo

boo-boonoun

boo-boo

/ˈbuː buː//ˈbuː buː/

Word Origin1950s (originally US): reduplication of boob ‘stupid person’.

namespace

a stupid mistake

Example:
  • I think I've made a boo-boo.

a child’s word for a small cut or injury

Example:
  • Do you want me to kiss your boo-boo?