Meaning ofboo-booin English

Noun

1. a minor injury (cut, bruise, etc.) to a child
   The little boy got a boo-boo on his knee while playing outside.
2. an error or blunder; a fault
   The programmer made a boo-boo in the code that caused the app to crash.
3. a childish term for a mistake
   The child said "oops, I made a boo-boo" after spilling juice on the floor.