When I was younger I used to think that when I was going potty then somebodies hand (or something) would come out of the hole in the toilet.
A childhood belief about fear of

others believed things like this
- I used to think people had a "potty mouth" if they had been drinking out of the toilet.Anon
- I used to think the Grinch was going to pop out of my toilet when i was younger.— Jamal
- I used to think that my right hand wasn't my right hand anymore if I turned around.— Mike
- My brother used to be scared to poop in the potty. He thought that he was pooping out his bones.— Lillyth
- I used to believe that if you dig a hole in the ground and put pepper in the hole, the ground would sneeze.— Cookie
- that bathroom tap water was recycled "potty" water from the toliet. — livingdeadgirl