The Moloko Plus, also called Knifey Moloko is a highball

Highball

Highball is a type of alcoholic drinkHighball may also refer to:* Highball glass, a drinking vessel* Highball Wilson , professional baseball pitcher* the British Highball bouncing bomb project from World War 2...

 cocktail drink from the book A Clockwork Orange

A Clockwork Orange

A Clockwork Orange is a 1962 dystopian novella by Anthony Burgess. The novel contains an experiment in language: the characters often use an argot called "Nadsat", derived from Russian....

. The book does not specify ingredients, so there are many variations, all of which use a large milk base and may have drugs, such as barbiturates added.
In one (apocryphal) commercial incarnation, it is created by combining 1 oz Absinthe

Absinthe

Absinthe is historically described as a distilled, highly alcoholic beverage. It is an anise-flavoured spirit derived from herbs, including the flowers and leaves of the herb Artemisia absinthium, commonly referred to as "grande wormwood", together with green anise and sweet fennel...

, 1 oz Anisette Liqueur, 2 oz Irish Cream Liqueur, 1 Tablespoon sugar, and 5 oz milk

Milk

Milk is a white liquid produced by the mammary glands of mammals. It is the primary source of nutrition for young mammals before they are able to digest other types of food. Early-lactation milk contains colostrum, which carries the mother's antibodies to the baby and can reduce the risk of many...

 in a shaker with ice; the ingredients are then shaken and strained into a tall glass.
The drink's name originates from the "Nadsat

Nadsat

Nadsat is a fictional register or argot used by the teenagers in Anthony Burgess' novel A Clockwork Orange. In addition to being a novelist, Burgess was also a linguist and he used this background to depict his characters as speaking a form of Russian-influenced English...

" word for milk, translated as "milk plus". The main characters in the book prepare for "ultraviolence" by drinking it.