The Hitch Hiker's Guide to the Galaxy also mentions alcohol. It says that the best drink in existence is the Pan Galactic Gargle Blaster.

It says that the effect of drinking a Pan Galactic Gargle Blaster is like having your brain smashed out by a slice of lemon wrapped around a large gold brick.

The best drink in existance.
Take the juice form one bottle of Ol' Janx Spirit.
Pour into it one measure of water from the seas of Santraginus V.
Allow three cubes of Arcturan Mega-gin to melt into the mixture (it must be properly iced or the benzine is lost).
Allow four liters of Fallian marsh gas to bubble through it, in memory of all those happy hikers who have died of pleasure in the Marshes of Fallia.
Over the back of a silver spoon float a measure of Qualactin Hypermint extract, redolent of all the heady oders of the dark Qualactin Zones, subtle, sweet, and mystic.
Drop in the tooth of an Algolian Suntiger. watch it dissolve, spreading the fires of the algolian suns deep into the heart of the drink.
Sprinkle zamphour.
Add an olive.
Drink... but... very carefully.

An alcoholic drink described in Douglas Adams's book, The Hitch Hiker's Guide to the Galaxy.

The Hitch Hiker's Guide to the Galaxy also mentions alcohol. It says that the best drink in existence is the Pan Galactic Gargle Blaster.

It says that the effect of drinking a Pan Galactic Gargle Blaster is like having your brains smashed out by a slice of lemon wrapped around a large gold brick.

The Guide also tells you on which planets the best Pan Galactic Gargle Blasters are mixed, how much you can expect to pay for one and what voluntary organizations exist to help you rehabilitate afterwards.

The Guide even tells you how you can mix one yourself.

Take the juice from one bottle of the Ol' Janx Spirit, it says.

Pour into it one measure of water from the seas of Santraginus V - Oh, that Santraginean sea water, it says. Oh those Santraginean fish!!!

Allow three cubes of Arcturan Mega-gin to melt into the mixture (it must be properly iced or the benzine is lost).

Allow four litres of Fallian marsh gas to bubble through it, in memory of all those happy Hikers who have died of pleasure in the Marshes of Fallia.

Over the back of a silver spoon float a measure of Qualactin Hypermint extract, redolent of all the heady odours of the dark Qu...

A potent mixed drink created by Zaphod Beeblebrox. It's the alcoholic equivalent of a mugging -- expensive and bad for the head.

The Pan Galactic Gargle Blaster is described by the Hitchhiker's Guide to the Galaxy as the best drink in existence. It was invented by Zaphod Beeblebrox, and is said that the effect is like having your brains smashed out by a slice of lemon wrapped around a large gold brick.