When I was around 5 or 6 I used to believe that females could poop standing up because they had to sit down when they peed.
A childhood belief about weeing and pooing

others believed things like this
- I used to believe that since guys peed while standing up, then they must poo while standing up too.— Stupid girl
- I actually asked my mother if mixing girls' poop and boys' poop would cause an explosion.— kraine
- When I was a kid, I used to believe that females never went to the restroom, farted,or burped.— michael
- I thought that all cats were the females, and that the dogs were the males.— opps guess not
- When I was younger, I used to believe toads were male and frog were females.— Claude-Eugène
- My poop was always around the same color as my skin so I assumed white people's poop was white.— jaycee