I used to sing aloud to to R.E.M.'s song Chorus and the Ring with with the line "that's when the insoles start to stink" - believing that's what it really was. Turns out on a lyrics site it is really "that's when the insults start to sting." At least the insoles don't stink!
A childhood belief about misheard lyrics

others believed things like this
- i used to believe (when i was little) i could make the wind stop and start by saying, "stop" and "start"— Ali
- When ever someone said ''read aloud'' I assumed aloud was the title of a book. Lol.— Delaney
- in sting's / the police's song ''roxanne''. I thaught that it was ''rock sand''— wacko zacho
- i used to think if you had more than £100 the police would want to know why and would start investgating you— mark
- That you start out Catholic and after you reach a certain age you then become Protestant.Anon
- I used to believe if I fed my cat dog food that he would turn into a dog or start acting like one— Clodagh