After watching the movie, 'The Blob'. I thought whenever you went to the bathroom or washed your hands, the blob would suck you down the drain and eat you.
A childhood belief about bathrooms

others believed things like this
- I used to believe that the credits at the end of a movie was a list of people in that were watching it.— jon_
- I never used to take shower after going to the beach, because i thought that tans washed off right away.Anon
- Washable markers could actually be washed off of paperAnon
- i thought that when you were in the bath you would get sucked down the drain— blake
- when i was about 5 or 6 i thought sombody was watching me on t.v like i was watching them. — leigha
- when I was little i was scared of vacuum cleaners. I thought they would suck me inside of them.— Julie