I used to believe that balls (genitals) contained wee instead of sperm, and going to the toilet was how to empty them!
A childhood belief about weeing and pooing

others believed things like this
- i always thought it was Grape Balls of Fire instead of Great Balls of Fire— Courtney
- As a youngster, my older brother told me that polish sausage was really the bull's genitals. — Ross
- Rain contained snail eggs...mmmm— klaus
- I used to believe 'three bean salad' was an extremely small entree because it contained only three beans.— queeneve
- We were told at school by the evil dinner ladies that apple pips contained arsenic.....Anon
- In primary school, a whole bunch of kids including me believed that watermelon seeds contained ants. — Caff