My nephew used to sing Mary Chapin-Carpenters' "Passionate Kisses" as "Ashes and Fishes"
And I thought Elton John, in Bennie and the Jets, was saying "She's got electric boobs, I know it's true". :p
A childhood belief about misheard lyrics

others believed things like this
- As a child I used to think that Olivia Newton-John and Elton John were married.
Boy, I was way off.— Lisa - As a child, I thought that Olivia Newton-John was Elton John's wife and Juice Newton's sister.— Connie
- i thought in elton john's "tiny dancer'' the chorus was "hold me closer tony danza"— d.a.
- I used to think the lyrics to Elton John's Tiny Dancer were "hold me closer Tony Danza."— kstawitz
- My friend used to believe that the lyrics to Elton John's "Tiny Dancer" were:
"Hold me closer Tony Danza"— I'm with stupid - When I was 3 I was convinced that I would mary John Bon Jovie— Jessie