I used to think when boys pooed and peed at the same time, they would have to stand very close to the part where the flusher is so they don't spill.
A childhood belief about weeing and pooing

others believed things like this
- When I was little, I thought that since boys stood up to pee, they could stand up to poop.— Lacey
- I used to think that adam and the ants' stand and deliver was 'stand in your liver'.....— wook
- I never knew why boys had to lift up the toilet seat...until my friend told me that boys had bad aim.Anon
- I used to believe the Beastie Boys were a boy band. Well, the name sounds similar to Backstreet Boys!Anon
- I thought for the longest time that a No Standing traffic sign meant no person should stand near that sign.— Shannon
- For the longest time I thought Pig Latin was an actual language that they spoke in a part of Europe.Anon