I used to believe that as a kid, you had 2 separate butt cheeks, but when you grew up, your butt crack grew together. I was very shocked the first time I saw a naked adult buttocks and realized the butt crack was still there!
A childhood belief about rude bits

others believed things like this
- My dad told me that the reason feet were stinky was because they grew out of your butt.— Veronika
- i used to think that your butt cheeks is where your poop was stored. Anon
- I used to think that the b-word was buttAnon
- I used to think that babies came out of the butt— Claire
- i used to believe that when you had diahria you were peeing out of your butt.— roger rabbit
- I used to believe that a cat's butt hole was on the tip of his tail.— PANTS