I have a friend who's mother believed, until she was almost 50, that your urine and menstrual flow all came out of the same hole. She thought there was only one hole *down there*.
A childhood belief about rude bits

others believed things like this
- 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 if you dig a hole in the ground and put pepper in the hole, the ground would sneeze.— Cookie
- I had a little hole in the wall under my bed when I was little and I thought that Fraggles lived in there.....— Tina
- when i was 6 i thought girls peed out of there butt hole!— axel
- at the age of seventeen my sister thought another name for a pigeon hole was a birds nest.— Sophie
- I used to believe that a cat's butt hole was on the tip of his tail.— PANTS