I used to think that to get the gas in the natural gas trucks, people farted into the back of the truck and closed the door really quick.
A childhood belief about farting

others believed things like this
- I used to believe that semi trucks were cement trucks, and that actual semis were just big trucks.— Joe Schmoe
- I wanted to grow up and be a truck. Not a truck driver, a truck. Anon
- I used to think that fire trucks and ambulances drove all the way back to the station backwards.— Tim
- I used to believe that when people talked about 4x4 trucks, I thought it meant all the wheels turned.
— tracy - 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