I used to think that the song "My Bonnie Lies Over the Ocean" was really "My Body Lies Over the Ocean."
A childhood belief about misheard lyrics

others believed things like this
- If you had a mouth ulcer it's because you've been telling lies.— David Smithers
- When i was child i used to believe that if you tell lies your nose grows.Anon
- I used to believe rabbits could lay eggs. See what Easter is doing to our children? lies! lie I tell you!— Kitty Kat
- I used to believe if i told lies my nose grow like Pinnochio — Cindy
- I used to believe that somebody turned the ocean waves off at night.— David
- i didnt knew it rained over the ocean...Anon