I know this guy named David who thought his penis was a tail. Well, one day his mom had friends over and he ran into the room yelling "Look mommy I can make my tail fat!". I wasn't there but his mother uses it to embarrase him, so of course I found out.
A childhood belief about rude bits

others believed things like this
- When I was very little, I used to believe that bacon came from the tail of a pig because it was curly!!— Audrey
- I used to believe that a cat's butt hole was on the tip of his tail.— PANTS
- I used to believe that if I wagged my dog's tail, it would cheer my dog up.— GED
- I used to believe that if you hit your tailbone, a tail could grow out of it.— Ida
- My Dad convinced me that Manx cats had no tail - and only three legs.— Jim
- That Rabbit shed their tail when the seasons changed.— Jodi