Cocktail

s were a combination usually of a spirit or spirits and other beverages to form a mixed alcoholic drink.

The Tenth Doctor and Donna Noble arrived at Eddison Manor in 1926 just in time for cocktails. The Doctor ordered a lime soda and Donna ordered a sidecar. (TV: The Unicorn and the Wasp)

Polly drank several cocktails, including a Flaming Her, before switching to rum and coke while at the Regent Hotel bar. (PROSE: Dying in the Sun)

Having stolen Dalekanium-eating Vashta Nerada from Synthesis Station, Dendry planned to sip cocktails with his buyer at Dorium Maldovar's Maldovarium only to be devoured by the Vashta Nerada before he could make his appointment. (AUDIO: Day of the Vashta Nerada)

On Parakon, Jeremy Fitzoliver compared the taste of fruit there to a champagne cocktail. (AUDIO: The Paradise of Death)

Alien cocktails
Fitz Kreiner drank Bactrian cocktails from his hip flask, despite the Eighth Doctor's advice to just put a drop on a sugar cube. The same cocktail knocked Anji unconscious for at least forty-eight hours. (AUDIO: Fitz's Story)

At a spaceport Bernice Summerfield drank three glasses of kronka, a cocktail of cherry brandy, crème de bananas and pure M3 variant. (PROSE: The Highest Science)

The resort planet served cocktails. (COMIC: Whodunnit?)

Weapons
Scorby constructed a Molotov cocktail to attack a Krynoid. (TV: The Seeds of Doom)