pickleback

noun

pick·​le·​back ˈpi-kəl-ˌbak 

plural picklebacks

: a shot of alcohol (such as whiskey) with a chaser of pickle juice

… the pickleback—a dive-bar favorite combining a shot of bourbon followed by a shot of pickle juice that has been growing in popularity since its reported 2006 invention.

—John Metcalfe and Kate Bradshaw

… the menu featured not one, but two picklebacks, one with bourbon and one with tequila.

—Amanda Waltz

Word History

Etymology

pickle entry 1 + back entry 1 in sense "weak drink consumed immediately after a strong alcoholic drink, chaser"

First Known Use

2009, in the meaning defined above