In Eminem's song Mockingbird he says 'and you and Lainie were too young to understand that papa was a Rollin' Stone...'. But I missheard it as 'papa was a Roman stone'. Made sense to me!
A childhood belief about misheard lyrics

others believed things like this
- When i was young, i used to believe that when i ate a stone, a tree would grow in my stomach— -yacine-91-
- I used to believe that Madonna's Papa don't preach was pop-a-long priest— Mark "lyric master" Rowbowtohme
- I used to believe that every single slightly round stone r pebble was a fossilised dinosaur egg.— Dino Hunter
- when I was little I believed that if I put a white stone under the pillow with my tooth I make more moneyAnon
- i used to believe the rolling stones wrote rolling stone magazine.Anon
- I used to think the raper eminem was spelled M&M.— Rambles