In the song "Summer Nights" from Grease, when they said "Tell me more, tell me more.", I thought they really said "Tell me boy, tell me boy."
I thought it was strange that the female voices sang "Tell me boy, tell me boy, like, does he have a car?"...
A childhood belief about misheard lyrics

others believed things like this
- I thought the Til Tuesday song said "Books are scary!", rather than "Voices Carry"Anon
- i thought I got one year older when my family sang the birthday song.— I am the ghost
- I always thought that "elbow grease" was a type of lubricant until about 2 years ago. I'm 19.— Erika
- for my little sis -
Paul McCarty song "Band on the Run" but when she sang it it was "Man has the Runs"Anon - I used to think that the actors on tv shows sang the show's theme song.Anon
- the summer that I turned 11 I waited out side on the step all summer for my hogwarts letter... ;D — Ginny weasley... not really