You know the song, "Groovin'" by the Rascals?
I was convinced that a specific part of the lyric was/is..."that would be ecstasy..you and me and Leslie"..
I kept thinking, "Who in the hell is Leslie?"
A childhood belief about misheard lyrics

others believed things like this
- I thought Buckwheat from "The Little Rascals" (1994) was a girl because he had long hair!— Molly
- I believed God lived in a specific crack in one of the walls of my church — Blake
- I used to believe that if you said hell 50 times you went to hell— a big boff
- I always wondered why shepherds washed their socks by night. (correct lyric: watched their flocks)— MaggieNJ
- A common misheard lyric in BMTH’s ‘Shadow Moses’ is “THIS IS SANDPIT TURTLE!”— Oli
- My sister just recently realized that the lyric "more than a woman" wasn't 4 letter woman!— Anne