I used to think that every time I used a toilet at a place I was not familiar with (such as a public restroom in a distant city, while traveling, etc.), that some kind of monster was going to come out and grab my parts below, and haul me away through the pipings.
A childhood belief about fear of

others believed things like this
- I used to believe that traveling in cognito was a place in Africa or somewhere.— Jennifer
- When I was 5, I thought the "restroom" was actually a place you went to take a nap. Anon
- I used to think that if someone looked familiar to me then I must also look familiar to them.— Preston
- I used to believe that electricity was manufactured in a factory in a place called 'Electriz City'.— Sally
- I used to think "Hulk Hogan" was really "Haul Kogan" before I knew his name!— Christy
- I used to believe that their was a toilet monster named johny.— sexyallie_69