I used to believe that when the toilet was flushed, the loud noise was a monster growling at me. I would run as fast as I could to my bedroom and hide under the bedclothes until the noise stopped.
A childhood belief about fear of

others believed things like this
- 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
- Our mum told us that the ice-cream van noise was a children's ambulance— moonpants & sausage
- I used to think that the wind that made a howling noise was a ghost.— Febi
- I used to believe that the sound of crickets at night was the noise the stars made when they sparkled. — Jane
- I used to think that the word blurb was a noise that people made when being sick. Bluuuggghhh.— Natasha