Perhaps with the idea of delaying the inevitable, my highschool-age uncle told us six-year-old boys that girls have teeth in their vagina. Took awhile before I dared to find out the truth.
A childhood belief about rude bits

others believed things like this
- I thought that the difference between girls and boys was that girls have teeth.
Anon - I always thought cats were all girls & dogs were all boys ... I have no idea why.Anon
- I used to believe all babies came out as girls and later on in life some of those girls turned into boys — Tom
- I used to belive kissing boys made your teeth fall out.Anon
- I used to believe that boys, gave birth to boys and girls gave birth to girls. How i'm so wrong now.— Sarah
- I used to believe that little boys grew up to be girls and little girls grew up to be boys. — Darin