I used to think people farted whenever they drove by a gas station without stopping there, and that's why it's called "passing gas." It never occurred to me that it didn't always happen.
A childhood belief about farting

others believed things like this
- I used to believe that the Fire Station was where all fires occurred.Anon
- I used to think that fire trucks and ambulances drove all the way back to the station backwards.— Tim
- No passing zones on the highway. How come we just kep passing those signs? — Colleen
- That only men farted. I literally started sobbing the first time I realized I farted.Anon
- I used to believe that my immediate family were the only people in the world that farted— Rainbow
- If I had bad gas I would sometimes start to run as I farted to escape the smell. It didn't always work.— Sammy