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.
quick one, a
An alcoholic drink to be consumed rapidly, as in We have time for a quick one before we board the plane. [c. 1920]
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?
quick one
and quickie
1. n. a quick drink of booze; a single beer consumed rapidly. I could use a quickie about now.
2. n. a quick sex act. (Usually objectionable.) They’re in the bedroom having a quick one.