Until sometime in my teen years I thought that women, when they were in the water (pool or tub) would fill up with water in their vagina and uterus, with it draining out when they got out of the water.
A childhood belief about rude bits

others believed things like this
- I thought that hydrogen was pure water (since I knew hydro- meant water) and H2O was impure some how— Hexetic
- I used to believe that your tap water came from the swimmimg pool.— Mimi
- I used to believe that if i splashed water on the wall during a bath, the water would turn into spiders— justin
- that bathroom tap water was recycled "potty" water from the toliet. — livingdeadgirl
- ***I used to believe that water towers was a place that someone lived and they controlled the water.— C H R I S T E N
- When I was little, my dad told me that if you pee in the pool the water will turn purpleAnon