A childhood belief about cartoons

I saw a cartoon where there are these brigands who live in the desert and are a little worse for wear - missing teeth, eyes etc. and they sang a song that said if you don't go to school you will be like them. One line went something like this: "Bom bom bitty bitty bibitty boo we're what happens when you don't go to school." i didn't know what they might by that so i asked my dad. He told me that if you didn't go to school you had to be in a cartoon and do the same thing over and over again whenever somebody watched it. okaaaay.