When I was young, my family lived in the U.K. During that time, I was convinced that the Loch Ness Monster had the ability to swim up through our toilet and attack me while I was on the loo. Needless to say, I felt a great deal of angst whenever I had to use the restroom.
A childhood belief about fear of

others believed things like this
- I thought that Loch Ness was actually Loch Nest because it was like the monster's nest— Dietrich Corby
- I used to believe that monsters lived in my toilet and they ate my poop and urine when i flushed the toilet.Anon
- I used to dream that if I held my breath, I could swim through the air for brief amounts of time— Adam
- My great-grandfather firmly believed, and had me convinced, that SPAM was mouse meat. — texasblue
- I used to believe that their was a toilet monster named johny.— sexyallie_69
- i used to believe that a monster lived in the garbage disposal. i would never go near the sink— Whitney