When I was a kid, I always thought the words to the song "Take My Breath Away" were saying 'take off your clo-thing'.
I know better now, but I still like my version better.
A childhood belief about misheard lyrics

others believed things like this
- If you hold your breath and make a wish under a highway tunnel it will come true....I still hold my breath :)— aj
- 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 held my breath near cemeteries because I thought it would be rude to inhale spirits. Anon
- A friend on mine thought that smoking menthal cigarettes would make his breath minty fresh.Anon