For some strange reason I used to think Hummers were the cars used to carry the dead in funeral processions. It took me until I was about 14 years old to realize the hearses carried the dead people, not Hummers.
A childhood belief about cars

others believed things like this
- I used to believe that a street sign that read "Dead End" meant that there were dead people buried there.Anon
- I used to think that at funeral homes, dead bodies were propped up on the furniture, just hanging out!— pam
- I used to believe that a funeral organist was the person who collected the body parts of the deadAnon
- I used to think dead people are dangerous. — J.G.
- I used to believe that when people were knocked out, they were dead.Anon
- I used to think that "cross-eyed" meant that people had X's for eyes, like dead people in cartoons.— Tim