I believed that girls'-er-lower parts were really a big hole. I don't know where this came from...but I believed it until i was about nine.
A childhood belief about rude bits

others believed things like this
- When I was little I believed that boogers were parts of my brain that got used up.Anon
- When I was little I thought girls had "man parts" as well, but it just took longer for them to grow.— person
- when i was 6 i thought girls peed out of there butt hole!— axel
- When my brother was little, he believed that girls peed out of their boobs.— Emily
- When I was a little girl, I believed that all cats were girls and all dogs were boys. :)— Mary Ellen
- When I was little, I believed that all cats were girls and all dogs were boys. Go figure!— Laurie W.