Men at work:It's a mistake
Friend sang, "it's summer's day" instead of "it's a mistake"
A childhood belief about misheard lyrics

others believed things like this
- the summer that I turned 11 I waited out side on the step all summer for my hogwarts letter... ;D — Ginny weasley... not really
- I used to think the lyrics of "Boys of Summer" said "poison summer"— Lindsay
- Billy Squire sang about "My Kind of Lover". My wife sang about "My Candelabra"— Wailerman
- i had a friend that thought that you could baptize cats. IT DOESNT WORK VERY WELLAnon
- My uncle once said that elves were really badchildren made to work in santa's work shop— Some guy
- i used to believe that if i didn't work at school, i would have donkey ears, so now i work hard !!!— denis