I used to believe that when people with big ears got angry, their ears would go a rather nice shade of red and flap, thus enabling them to fly (obviously).
I swear I once saw Tony Blair ranting and raving in MY airspace!
A childhood belief about general

others believed things like this
- When I was little ,I used to believe that deaf people didn't have ears.— rainbow
- I used to think that bees and wasps only stung people on the ears.Anon
- i used to believe that bunny's could fly with their ears.Anon
- I used to believe that if you smoked too much,when you got mad your ears would smoke.Anon
- I used to believe that earwigs crawl in your ears— Janice
- My sister used to believe if you stuck a Q-Tip in one of her ears her brain would pop out the other ear. — Mr.McMelon