The term 'Zoot JAZZMAN' is a combination of two words, 'Zoot' and 'JAZZMAN'. Zoot is a slang term used in the 1920s to describe a person who dressed in an exaggeratedly fashionable manner. JAZZMAN is a term used to describe a musician who plays jazz music. The crossword solution for this term is SIMS, which is an acronym for Swing Improvisation Music Style. This style of music was popularized by jazz musicians in the 1920s and 1930s.