Brandy was a type of alcoholic beverage distilled from wine.
In 2266, James T. Kirk's evil counterpart demanded brandy from Dr. Leonard McCoy in the medical bay. (TOS: "The Enemy Within")
In 2267, the brandy served by Trelane had no taste. (TOS: "The Squire of Gothos")
In 2269, Flint invited the USS Enterprise landing party to help themselves to brandy. (TOS: "Requiem for Methuselah")
In 2372, "Hippocrates Noah" offered Julian Bashir, Elim Garak, and "Anastasia Komananov" brandy. None of the three accepted the brandy, although Colonel Komananov wanted a cigar. (DS9: "Our Man Bashir")
Quark poured the Regent of Palamar a glass of brandy in 2373, during a meeting between the regent, Hagath, Gaila, and himself. (DS9: "Business as Usual")
In the final draft script of TOS: "Dagger of the Mind", Doctor Tristan Adams was described as having an "aggressively friendly manner which promises [...] an ounce of brandy at the right hour.