If someone is a snappy dresser or if they wear snappy clothes, they wear smart, stylish clothes. She has already made a name for herself as a snappy dresser
If someone has a snappy style of speaking, they speak in a quick, clever, brief, and often funny way. Each film gets a snappy two-line summary
quick and energetic; "a brisk walk in the park"; "a lively gait"; "a merry chase"; "traveling at a rattling rate"; "a snappy pace"; "a spanking breeze"
pleasantly cold and invigorating; "crisp clear nights and frosty mornings"; "a nipping wind"; "a nippy fall day"; "snappy weather"; (`parky' is a British term)