When a kid I thought people were calling a basketball backboard the blackboard. So I always called it the blackboard but it just didn't make sense to me. No one ever corrected me.
A childhood belief about hobbies

others believed things like this
- My dad told me that playing basketball makes you taller. Basketball players are tall, so I believed him.Anon
- I used to use the basketball pump in the air because I thought I was donating fresh air to the needy.— Emily
- I thought it was impossible for anyone to lift more than their own body weight. Just seemed to make sense..— Xenomorph
- i used to think that ozzy osbourne was a hockey player, and i thought michael jackson was a basketball player.— anastacia beeverhousen
- I used to believe that people from Holland were called "Hollish", like people from Poland are called "Polish"— Sally
- I thought your loins were kidneys, and nobody corrected me until I was a teenagerAnon