Our toilet sometimes makes this noise that sounds like water running so when I was little and I'd hear that noise I thought a ghost was peeing in our toilet.
A childhood belief about bathrooms

others believed things like this
- I used to think that the wind that made a howling noise was a ghost.— Febi
- 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 think the toilet was a hippo and you fed it by poopin ofr peeing— russ
- I thought that toilet paper was bread and by puting it it the toilet i was feeding the ducks at the bottem.— Gringo
- my gran tod me that rabbits made a noise that went "map map"— Lise
- I used to think that the engine in a car was only to create a noise to warn others of its arrival— mudspanker