whippets

/HH W IH1 P AH0 T S/
noun
  1. 1

    A dog of a certain breed, similar to a small greyhound, originating in Britain and bred for racing.

noun
  1. 1

    A cartridge of nitrous oxide (laughing gas), used as a recreational inhalant drug.

Source: https://en.wiktionary.org/wiki/whippet, https://en.wiktionary.org/wiki/whippets