I used to believe that a man had to go to hospital for an injection in order to get an erection. I said this to my mum when I was about 11... I don't think she has ever laughed as much!
A childhood belief about rude bits

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 to believe that an erection was called a 'wallet'.Anon
- 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