I used to believe that an erection was called a 'wallet'.
A childhood belief about reproduction

others believed things like this
- I used to believe whenever I got an erection it meant I had to pee.— Adam
- I used to believe that a homosexual is a man who doesn't have erection. — paatrik
- i used believe and erection was when your testicles went into your penisAnon
- I used to believe that an erection only occured after a male was married and that it was a permanent thing.Anon
- i used to belive when i got an erection that if i bent my penis it would break like a bone— beep41
- when I was little, about 4th grade, I thought that when a guy had an erection his penis turned colors...lmao— peanut