Irish whiskey
Irish whiskey was an Earth alcoholic beverage, a whiskey originating from Ireland.

Irish whiskey was served at Miles O'Brien's birthday party in 2373. ()

O'Brien shared an Irish whiskey with Worf after Jadzia Dax was slain by Gul Dukat in 2374. ()

See also 
 Single malt

External link 
 
Earth beverages
Alcoholic beverages