The phrase "Chubby Checker Psycho" is an unconventional combination of words that seems to juxtapose his jovial persona with something darker. While there is no official connection between Chubby Checker and the term "psycho," its emergence could be attributed to cultural discussions, memes, https://itsresearch.co.uk/what-did-billy-joel-mean-by-chubby-checker-psycho/