I thought Glen Fry's song Boys of Summer, was actually Poison Summer.
My friend thought Sittin on the dock of the Bay, by Otis Redding actually said, Sittin on the top of the bed.
A childhood belief about misheard lyrics

others believed things like this
- I used to think the lyrics of "Boys of Summer" said "poison summer"— Lindsay
- 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 thought that Indian Summer was like the weather in India.Anon
- I used to think if you caught a cold during summer, it was called a "hot".— Brandon Campbell
- I used to think it was illegal to drink hot chocolate in the summer. — Samantha
- I used to believe that at the beach town where we spent the summer, they took the sidewalks in for the winter.— Missy