When I first heard about the record "Tea for the Tillerman" (by Cat Stevens??? I don´t know) I thought it was "Teeth for the Tillerman"...
A childhood belief about misheard lyrics

others believed things like this
- When I was little I thought that Shakin' Stevens was Elvis' nephew— Ali
- Until I was around 8 or 9 years old, I thought dentists took your teeth out and replaced them with new teeth.— Verapamilo
- I used to think a world record was a record of all the people in the world singing .— JACK REGAN . [SWEENEY . ]
- I used to believe that eating burnt toast would make your teeth whiter and would brush your teeth for you.— Natasha
- I used to believe that if I didn't brush my teeth at night, ants would crawl into my mouth and eat my teeth.Anon
- Until I was about 8 I believed that your back teeth keep growing in until you have a full circle of teeth.Anon