My friends brother (being the grunge rock god that he is) thought that Nirvana sang "I'm made of lizard breath" instead of "I need an easy friend" he performed and sang that at a school concert!
A childhood belief about misheard lyrics

others believed things like this
- Billy Squire sang about "My Kind of Lover". My wife sang about "My Candelabra"— Wailerman
- My friends and I used to believe that if you planted a rock, it would grow a rock tree. Anon
- Even though the title is 'How Bizarre', I always thought he sang "help is on"...Anon
- Until about age 9, I thought there was a country called "Operaland" where everyone sang instead of talking.Anon
- i used to get mad when people sang frere jaque because i thought they were making fun of my name!!!!— freya sargent
- i thought I got one year older when my family sang the birthday song.— I am the ghost