What does Classy Mean? “Classy” refers to displaying grace, elegance, and sophistication in behavior, manner, or style. The term likely originates from the word “class,” denoting a high standard of quality or social standing. Slang Words for Classy Chic – Stylish and fashionable. Swanky – Luxurious and elegant. Posh – High-class, fancy. Snazzy – Stylishly fancy. Dapper – Neat, well-dressed. Glam – Short for glamorous. Fly – Coo...