I used to think that motorcycles were propelled by farts.
A childhood belief about cars

others believed things like this
- I used to believe that the lines on roads were for motorcycles to drive on.— Downes
- I used to believe that Jesus' disciples rode motorcycles. It just sounded like the name of a biker group.— James McGee
- I believed that the gap between the double yellow lines in the road was a special lane for motorcycles.— Joel
- i used to believe that every time i farted i was being jet propelled.— chuckipoo
- I used to believe that cars were propelled by their exhaust like some kind of rocket.Anon
- I used to believe that car exhaust pipes were what propelled cars, instead of the engines.— Thomas Johnston