My Dad told my sister and I that he made up the jingle for Pepsodent toothpaste....."You'll wonder where the yellow went when you brush your teeth with Pepsodent." We believed it for years and so did all our friends.
A childhood belief about songs

others believed things like this
- 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
- I used to believe when i was about 4 (now 15) that dinosours died because they didn't brush their teeth— gullable
- I used to think that cockroaches would visit your house if you didn't brush your teeth.Anon
- I thought "Angel of the Moring", by Juice Newton said "just brush me teeth before you leave me"!!!Anon
- For some reason I used to believe humans were made out of toothpaste— lu