The Pairing of “Chubby Checker Psycho” raises eyebrows for its unusual juxtaposition. While there is no direct link between Checker and Alfred Hitchcock’s iconic thriller Psycho (1960), some speculate that the term might allude to fan theories, urban legends, or internet trends. https://itsresearch.co.uk/what-did-billy-joel-mean-by-chubby-checker-psycho/