ABSTRACT Wita Kumalasari, 2020, Word Formation Analysis of English Slang Language on Billy Elliot Movie, Thesis Undergraduate Program, English Teaching and Learning Program, Tarbiyah Faculty, State Islamic Institute (IAIN) Madura, Advisor: Henny Uswatun Hasanah, M.Pd. Key words: Word Formation Process, English Slang Word, Billy Elliot Movie. Morphology is a branch of linguistic that is le…