I thought that boys' bikes had cross bars on them so they could lay their willies on it as they cycled.
A childhood belief about rude bits

others believed things like this
- i used to believe that males' poo came out of their willies— Helen W
- when I saw a sign with a deer on it I always thought deer had to cross the street by it. like a cross walk— only me
- I used to believe women were not allowed eat yorkie bars
— greg - I used to believe that when a woman was pregnant the baby could play monkey bars on her ribs.— Laura
- 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