Even though I'm a girl, for a while I didn't know anything about female genitals. I thought there was nothing down there except one hole in the front for peeing, and another hole in the back for pooing. Then I learned where babies come from and revised my theory to include three holes. But I thought there were three holes, some hair at the front, and that's it, and I couldn't imagine why anyone would find female genitals interesting to look at.
I didn't know a thing about labia, but one day I discovered my own labia and clitoral hood. Since female genitals are nothing but a row of holes, I assumed that my labia were going to grow into testicles and my clitoral hood was going to grow into a penis and I would turn into a boy. I figured this is why my parents kept making me dress in pants and running shoes instead of dressing girly like I wanted to.
A childhood belief about rude bits

others believed things like this
- When I was little, I couldn't wait to grow up so I could grow a mustache. I am female.— Laura
- I believed that fairies lived in lamp posts - their front doors were the little holes where the key fits.— Janice
- I used to think that to desex an animal meant to turn it from a male to a female or female to male.— Phil
- As a youngster, my older brother told me that polish sausage was really the bull's genitals. — Ross
- I used to believe that if I fell asleep lying on my front that my boobs wouldn't grow. And they didn't.— Booey
- I used to believe all cats were female. It completely shocked me when I learned otherwise.— Billy