The term 'COOL, '90s-STYLE' can be summarized as a slang term used to describe something that was fashionable or popular during the 1990s. The term is often used to refer to clothing, music, and other trends from the decade. The crossword solution for this term is PHAT, which stands for Pretty Hot And Tempting. This phrase was popularized by hip hop culture in the 1990s and was used to describe someone or something that was attractive or desirable.