A injury, a word used to describe an injury usually used around younger children.
baby: MOMMY I HAVE A BOO BOO! *crys*
mother: Alright honey I will get a bandaid.
These definitions are extracted from an area of town in which slang is common language.
1) Verb. To do number two while in the restroom.
2) Noun. The product of the first definition.
1) "I have to go boo-boo."
2) "The dog boo-booed on the lawn"
girlfriend; old lady; a gurl you love
She's my boo boo.; Thats my boo boo.
Don't get hurt while your away. Usually this phrase is used when friend or family is departing.
Susie: Bye Mom! I'll see you later.
Mom: Ok Dear, No Boo Boos!