I was 100% sure that girls peed out of their anuses. Nothing would convince me otherwise, since almost every person I knew (guys) agreed with me while we were in elementary school. This belief eventually faded away with the discovery of porn.
A childhood belief about weeing and pooing

others believed things like this
- I used to think that girls' anuses were green. I remember thinking that as late as high school.— Jack
- i used to believe that guys pulled out their outie belly buttons and that's how they peed.— Sky
- I used to think girls peed from their butt.— Neil
- I used to beileve girls peed out their butt 😂Anon
- When my brother was little, he believed that girls peed out of their boobs.— Emily
- When I was a kid I thought girls peed out of there vaginas...woops!— Greg