I used to get really scared when the toilet filled right up with water when too much toilet paper was in it, so much so, that I would run out and leave it like that for some unsuspecting bursting member of my family. To this day, when the toilet does that i really do "crap" myself (Pardon the Pun)
A childhood belief about fear of

others believed things like this
- I thought that toilet paper was bread and by puting it it the toilet i was feeding the ducks at the bottem.— Gringo
- I used to believe that if I flushed the toilet before I showered, I would take a shower in dirty toilet water.— Chris D
- I used to believe that monsters lived in my toilet and they ate my poop and urine when i flushed the toilet.Anon
- I use to think that mummies were wrapped in toilet paper.— Glowworm
- I used to beleve when i was 4 that the flush on the toilet was to wake up toilet monsters.— Millie
- I used to think if I left the toilet seat open my cat would get flushed down the toilet.— G