The word "MDDJ" can be spelled using the International Phonetic Alphabet as /ɛm di di dʒeɪ/. The first three letters "MDD" represent the sounds of the letters "em", "dee", and "dee" respectively. The final two letters "J" and "EY" make the "dʒeɪ" sound. This spelling is often used in the music industry as an abbreviation for "music disc jockey", which refers to a DJ who specifically plays music releases on physical discs such as CDs or vinyl records.