There's a Joan Armatrading song called "The dealer". It contains the line, "I'm the dealer, and they want me for all, all I can give". I thought confused the words "I'm the dealer" with "Armadillo", and believed it to be a song about the illegal Armadillo trade.
A childhood belief about misheard lyrics

others believed things like this
- I used to think that the song"Stayin Alive" said "Staying In Line" like at school when I was little. — MacKenzie
- I used to think that the line in the song "Life in the Fast Lane" was "Fights in the Bat Plane".Anon
- When I first heard Bruce Springsteen's song, "Born in the USA," I thought that the song was "Porn in the USA"Anon
- i thought the line "saving my face" from the KT Tunstall song of the same name was "shaving my face"Anon
- I thought the line in the song "more than a woman" was "four-legged woman".— boo
- i thaught the michael jackson song billy jean song said Janet's not my son Anon