I used to believe that "DEAD END: signs meaned it was the end of the world and you would fall off completely
A childhood belief about road signs

others believed things like this
- I used to believe that the little 'helicopters' that fall from the trees were dead tadpoles.— Chester Finnigan SnapDragon McFisticuff
- I used to believe that echos were actually the sound going completely around the world and coming back to you.— kyle
- Having seen enough red octagonal STOP signs in my time, I used to look out for green circular GO signs.— Gary
- I used to believe that a street sign that read "Dead End" meant that there were dead people buried there.Anon
- I thought if you trip and fall down you fall at the speed of light!— Dietrich Corby
- I always though as a kid that "To Let" signs were public conveniences with an I missing. Really.— Col