Snappy
WordNet
adjective
(1) 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"
(2) Marked by up-to-dateness in dress and manners
"A dapper young man"
"A jaunty red hat"
(3) Tending to speak irritably
"A snappish tone of voice"
(4) Pleasantly cold and invigorating
"Crisp clear nights and frosty mornings"
"A nipping wind"
"A nippy fall day"
"Snappy weather"; (`parky' is a British term)
(5) Smart and fashionable
"Snappy conversation"
"Some sharp and whipping lines"