this happened to my brothers friend.
so his parents let him in the delivery room (don't ask me why) and when his sister popped out, they said it was a girl. apparently he didnt know that girls didnt have penises and he called her umbellical cord her winkie. so when his dad snipped the cord he exclamed "daddy, you cut her winkie off!"
A childhood belief about rude bits

others believed things like this
- I used to believe that babies were attached to the umbilicle cord and then stuffed down the throat grow.— anonomous
- when i was a little girl, i beleived that women didnt have bums, because i never heard my mom fart. Anon
- i used to believe that you were suppossed to grow taller than your parents, and then when i didnt i was sad.— crysb83
- once me and my friend stuck her mums tampons up are butts thinking that you didnt have to poo— ha ha ha ha
- I used to believe both boys and girls had penises so i thought sex was when they tied them together.Anon
- a friend of my little sister's had 4 older brothers, so she thought that when you got older you grew a penis!Anon