i used to believe that you could breath through the the hole in the end of your penis when you were swimming.
A childhood belief about rude bits

others believed things like this
- If you hold your breath and make a wish under a highway tunnel it will come true....I still hold my breath :)— aj
- I used to think that when you swimming 'Freestyle' was swimming any way you want.Anon
- I used to think that Frankie Avalon sang, "Hey Penis, Oh, penis..." instead of "Hey Venus."Anon
- I used to believe that gay sex involved a man sticking his penis inside another man's penis.Anon
- I thought that to breastfeed, a woman had to poke a hole in her nipple (like the hole in a bottle nipple).— Imani B.
- I used to believe that gay guys had sex by sticking their penis in the other's penis.— Fanbrat