A cocktail made with gin and scotch, instead of the typical martini's vermouth.
Chicago martini recipe: Stir 4 parts gin to 1 part scotch in a pitcher with ice; strain into martini glasses and garnish with olives.
by Chicago editor August 25, 2007
To drink douche water
After Molly douched, I treated myself to a Chicago martini.
by Chuck Mangioni September 28, 2003