unwinder

plural unwinders

1. A device that unwinds.
2. colloquialAn alcoholic drink taken as a relaxant.

   2010, William Campbell, Apotheosis, Glyd-Evans Press, p. 137, In contrast to the overwhelming sweetness, the cool drink is bitter like coffee, but with a strong bite of alcohol. One sip and I hand it back. Not the time for that sort of unwinder.

   1 more example

   It seemed to them the ideal place for those confidential mid-morning potations and games of pool for which the Foreign Office had invented the phrase “elevenses”, after the hour of the morning when one feels one most needs a short swift drink, or a long “unwinder”, to use slang.

   1982, Lawrence Durrell, chapter 5, in Constance, New York: Viking, page 114