Not just South Park, in BASEketball there's a Hawaiian luau scene where one of the characters gives a big speech that ends the animosity between the two main characters.
Washington does (did? [Haven't lived there for 10+ years]) something similar with birthdate where your birth year and 2 specific digits of the ID # are supposed to add up to 100. They teach it at the class you're required to take to get a permit to serve alcohol.
I've seen kids set up a lemonade stand trying to sell Simply Lemonade, with the bottle in plain view. I don't understand kids these days