I used to(and still do) mishear the lyrics in Eddie Cochran´s "Drive In Show" that in the original go like
"when we're parkin' in the drive-in show
we'll be sittin' in the moonlight row
i'll bet my peanuts to a candy bar
you'll be cuter than a movie star"
To me it was a story about a couple doing forbidden stuff in their car (you know, they´re "parkin") and the guy was quite clever doing a camouflage thing when I heard the words "i´ll wrap my penis to a candy bar" .
Shame on me. ;-)
A childhood belief about misheard lyrics

others believed things like this
- I thought if you took some candy and buried in the yard, you would grow a candy tree.Anon
- I thought that the barber sign meant candy because I thought it looked like a candy cane.Anon
- I used to think that 'black comedy' was show like Family Matters and The Cosby Show.— Katie
- I used to think that every time a show came on tv, that the actors were inside my tv acting out the show.Anon
- When I Was Little,I Used To Believe Clouds Were Candy FlossAnon
- I thought that the show Beavis and Butthead was called Penis and Butthead.— Porky's Butthole