I used to believe the word original meant basically the opposite of what it really means i.e something old and familiar. I think I thought this because I knew the original version of something meant the first so I thought if something was original it was similar to the first version
A childhood belief about speaking

others believed things like this
- I had my wife convinced that Steven Hawking made his fortune as the original voice for the speak N spell toy.Anon
- We had a male cat that wasn't neutered. I thought his testicles were just the cat version of a butt.— Robyn
- When I was a kid, I thought the musical Mamma Mia did songs from the A*Teens (the teenage version of Abba)Anon
- I thought that "heck" was a less horrible version of hell for people who were only KIND OF evil.— Oizys
- I used to believe that "nuptial" was a naughty word. I thought it meant nipple. XD— Sara Hagen
- For years I heard the word "pedophile" and thought it meant a pedicurist's tool.— Lauren