a quick one

quick one

A brief stop or break to have an alcoholic beverage. Let's stop by the bar for a quick one before we go home. I'm not looking to stay at the bar all night. Let's just grab a quick one before we go to the game.
See also: one, quick
Farlex Dictionary of Idioms.

a ˈquick one

(British English, informal) a drink, usually alcoholic, which you have a short time for before doing something else: Have you got time for a quick one before your train goes?
See also: one, quick
Farlex Partner Idioms Dictionary
See also:
  • quick one
  • quick one, a
  • quickie
  • bar
  • painkiller
  • belly up to the bar
  • piss factory
  • creep dive
  • be zozzled
  • alchy