In the Slinky commercial jingle, " A slinky, a slinky, it's fun for a girl and a boy", my dad thought he could only play with a slinky with a girl because he thought it literally and he didn't have a sister, but he played with one anyways, even alone.
A childhood belief about adverts

others believed things like this
- When I was younger, I saw Madonna's video for "Material Girl". I thought she was singing "I'm a Cheerio Girl"!— Greg
- I always thought instead of saying "Im a material girl" Madonna was saying "Im a cheerio girl".— Tiffany
- my sister told me that bunkers on golf courses were for children to play in while their dads played golf.— Julie
- I used to believe that the words to Michael Jacksons "Liberian Girl" were "librarian girl".— Paul
- That Madonna sang "I'm a cheerio girl" instead of material girl— HN
- I used to think that Cain and Able were brother and sister (with Able being the girl).— Duh