When we went on car trips my parents used a stick-on screen on the car windows, to keep out the sun. One time my brother took one off the window and placed his finger over a hole in the bottom of it. He told me it was peanut butter, and I remember trying to get it out as hard as I could.
A childhood belief about cars

others believed things like this
- I used to believe that peanut butter was lobster poo.— PaulH(nz)
- My daughter thought that ear wax was peanut butter.— Bobbiemac
- When I was a little boy, I thought that hair was made out of peanut butter.Anon
- i used to believe that the chunks in chunky peanut butter were bugs.— Lauren
- I used to believe that my mother invented peanut butter and jelly sandwiches. Anon
- my brother (10) still believes that if you stick your finger to far up your nose you can touch your brainAnon