I used to think it was possible for girls to pee standing up. I even tried.
A childhood belief about bathrooms

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 thought that the difference between girls and boys was that girls have teeth.
Anon - My dad used to say that if you ate standing up, then all the food would go to your big toe.Anon
- That is was a "standing obation" not "ovation"— Robin
- I used to think that "No standing signs" meant that you weren't allowed to actually stand in the area!Anon
- I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon