Definition of "nippy"

nippy

/ˈnɪpi/

adjective
comparative nippier, superlative nippiest
1. (UK, informal) Fast; speedy.
  Quotations
  A Rolls Royce will not do if you need an economical, nippy car that is easy to park.
  c. 2000, Melanie Allen, Customer Relations Management, page 6
2. (informal) Of the weather, rather cold.
3. Inclined to nip; bitey.
  Quotations
  Spoiling may create a pushy, nippy dog that lacks confidence.
  1995, Nancy Baer, Choosing a Dog: A Guide to Picking the Perfect Breed, page 161
4. (Scotland, informal) Annoying; irritating.
5. (Scotland) Sharp in taste.
6. (Scotland) Curt.
7. (Scotland) Parsimonious.