When I was a kid, we used to have a tv set with 7 channel buttons and one marked with "AV". We never used AV and once I asked my that what would that button do. "Well, son, the tv set would explode if you press it." I never pressed the AV button.
A childhood belief about around the house

others believed things like this
- I used to believe that inside each volcano there was a guy who'd press a button to make it erupt.— Jim, UK
- I used to think that babies were made when you press your mums belly button.
Then a baby would fall out— Chris Hyndman - I use to think the hazard lights button would cause the car to explode.— m0u5y
- I thought that when you pressed the hazzard button in the car, the dukes of hazzard would come and save you.— smfd26
- I got given a box of slime marked "alien puke" and asked if E.T. was all right.Anon
- i thought that outies were an on/off button— mr.bob