For years as a kid I thought the Pretenders 'Thin Line Bewteen Love and Hate' was actually a clever reference that only grown ups must be able to understand, on how rubbish the disintegration of a relationship is in the line, 'it's a bin liner between love & hate'.
At least I don't feel so stupid about my Neil Diamond 'Reverend Blue Jeans' mistake having seen it on this site now though...
A childhood belief about misheard lyrics

others believed things like this
- I used to think that neil diamond was singing about the reverend blue jeansAnon
- The song "Reverend Blue Jeans" turned out to be "Forever in Blue Jeans." Who would have believed that?— music lover
- I believed that dolls could feel when I didn't love them, that's why I treated them well.Anon
- I always hear Manic Street Preachers 'You Love Us' as 'You Love Arse'.— Lou
- I used to believe that the B-52's song "Love Shack" was actually "Love Shark!"— Natalie
- I used to think the song "love the one you're with" was called "love the one, your win. — Glowworm