Pan-Galactic Gargle-Blaster

The Pan Galactic Gargle Blaster was an alcoholic beverage served by Milo on the Rosette of Sirius. The Twelfth Doctor drank one to help cure a sore throat. (COMIC: Clara Oswald and the School of Death). The Twelfth Doctor also mentioned Pan Galactic Gargoyle Blasters after meeting some "garrulous gargoyles". (COMIC: Terror of the Cabinet Noir)

Behind the scenes
The Pan Galactic Gargle Blaster was a drink in The Hitchhiker's Guide to the Galaxy series by Douglas Adams.