When I was younger my cousin once told me that boys had two testicles because one was filled with pee and the other was filled with tadpoles that made babies! I believed him for years, and always wished I could get the peeing one cut off so I didn't have to go to the toilet anymore!
A childhood belief about rude bits

others believed things like this
- I used to believe that as I ate food, I filled up, and that once I filled up completely, I would die. Anon
- On family road trips, my parents always told me that water towers were filled with chocolate.— Edith
- Someone told me that they cousin who used to think rain was God peeing.Anon
- I used to stay away from the lake from my house because I believed that the tadpoles would get me pregnant.— V
- I used to believe that fire trucks were filled with water. — Renee
- i used to think the water tower was filled with milk— jen