NIPPY
crisp, frosty, nipping, nippy, snappy
(adjective) pleasantly cold and invigorating; “crisp clear nights and frosty mornings”; “a nipping wind”; “a nippy fall day”; “snappy weather”
nippy
(adjective) a sharp biting taste; “a nippy cheese”
Source: WordNet® 3.1
Etymology
Noun
Nippy (plural Nippies or Nippys)
(UK, dated) A waitress in a Lyons Corner House.
Etymology
Adjective
nippy (comparative nippier, superlative nippiest)
(UK, informal) fast; speedy
(informal) Of the weather, rather cold.
Inclined to nip; bitey.
(Scotland, informal) annoying; irritating
(Scotland) sharp in taste
(Scotland) curt
(Scotland) parsimonious
Source: Wiktionary