帅气 (shuài qì) literally combines 帅 (shuài), meaning 'handsome' or 'cool', and 气 (qì), meaning 'aura', 'manner', or 'presence'. Together, it describes a person’s attractive, confident, and effortlessly cool demeanor — not just physical appearance but an overall charismatic impression. It’s commonly used to praise men’s style, posture, facial expression, or even how they handle a situation with poise.

The term carries positive, informal connotations and is frequently heard in casual conversation, social media, and entertainment contexts. While originally more common for men, it’s increasingly used playfully or affectionately for women too, especially in trendy or ironic settings. Unlike formal terms like 英俊 (yīng jùn), 帅气 feels youthful, relaxed, and modern — often implying charm that comes from confidence and attitude rather than classical beauty standards.