"Pressure" by Billy Joel
He said "Sesame Street, what does it mean?" but I misheard it as "Sex in the streets, what does it mean?"
A childhood belief about misheard lyrics

others believed things like this
- I used to think that Sylvester Stallone and Billy Joel were the same person.Anon
- I used to believe that “Emo” was related to Elmo from Sesame Street.Anon
- I seriously used to believe that Bert from Sesame Street lived in my closet and that he was going to kill me.— Liz
- I thought that Count Dracula was the count from Sesame StreetAnon
- I used to think Billy Idols "Eyes without a face" was "How's about a date" : - )— Shay
- My Uncle Billy used to tell us that if we swallowed chewing gum it would clog our bums up !
— Coolbuzz