I believed that when you passed gas, a visible bubble would appear (even when not in the water) and then *pop*, spreading the merriment for everyone within range.
A childhood belief about farting

others believed things like this
- I used to believe that the bubble gum medicine was really made of bubble gum. i believed this until i was 16.— Shawn
- As a child I believed that when a person was fired from their job, they were executed on a firing range. — damien
- I used to believe that if I swallowed bubble gum, a bubble gum tree would grow inside of me. — Ryan
- I thought that "Doube Bubble Toil and Trouble" was "Doube Bubble, Toilet Trouble" Anon
- I used to believe that the visible rays of the sun were beaming people up to heaven. like in star trek.Anon
- I used to believe that scars tasted like bubble gum— dani