back in the late 60's, my friend was singing along with Shelley Fabares' record "Johnny Angel", but she was seriously singing the words "Johnny's in jail, and I love him..."! We tried our best to convince her that's not how the song goes!
A childhood belief about misheard lyrics

others believed things like this
- I used to think a world record was a record of all the people in the world singing .— JACK REGAN . [SWEENEY . ]
- When Madonna sang "let the choir sing" in "Like a Prayer", I thought she was singing "love by proxy"— Kristen
- That song that goes:
I'll never let you go...
I thought he was singing:
Another machine gun...
Haha.— Kelle - In Prince's song "I Would Die for You" I used to think he was singing "Apple Dapple do!" — Sara
- The buckinghams song "kind of a drag", i always thought they were singing, "Canada Dry"— bobbybobby
- When I first heard the song "Constant Craving" by KD Lang, I thought she was singing "God save gravy."Anon