When I was little, I used to believe that there were dinosaurs on the other side of the hill I lived near. The dad of one of the neighbor kids had told him that to keep him from wandering up the hill and into the woods, and somehow it just spread to every kid in the neighborhood. Worked, too.
A childhood belief about monsters

others believed things like this
- When i was about 5 I used to believe that Broken Hill was a broken hill. — Saad
- I use to think that there were HILL COWS!— Erin
- i used to belive that when you were driving over a hill it was the end of the world— brianne
- After Grange Hill's "Just say no campaign" that people would force me to take drugs ... if only.— Netty
- I used to think all television shows were made at the tv station on the hill of my home town. — Monique
- i thought that new disney peter pan song said "spread your legs" but its really "spread your wings"— shasta