A gunner is a cocktail

Cocktail

A cocktail is an alcoholic mixed drink that contains two or more ingredients—at least one of the ingredients must be a spirit.Cocktails were originally a mixture of spirits, sugar, water, and bitters. The word has come to mean almost any mixed drink that contains alcohol...

 that is drunk particularly by British

United Kingdom

The United Kingdom of Great Britain and Northern IrelandIn the United Kingdom and Dependencies, other languages have been officially recognised as legitimate autochthonous languages under the European Charter for Regional or Minority Languages...

 expats

Expatriate

An expatriate is a person temporarily or permanently residing in a country and culture other than that of the person's upbringing...

 in Hong Kong

Hong Kong

Hong Kong is one of two Special Administrative Regions of the People's Republic of China , the other being Macau. A city-state situated on China's south coast and enclosed by the Pearl River Delta and South China Sea, it is renowned for its expansive skyline and deep natural harbour...

 and other parts of the Far East

Far East

The Far East is an English term mostly describing East Asia and Southeast Asia, with South Asia sometimes also included for economic and cultural reasons.The term came into use in European geopolitical discourse in the 19th century,...

 and India

India

India , officially the Republic of India , is a country in South Asia. It is the seventh-largest country by geographical area, the second-most populous country with over 1.2 billion people, and the most populous democracy in the world...

. It consists of equal parts lemonade

Lemonade

Lemonade is a lemon-flavored drink, typically made from lemons, water and sugar.The term can refer to three different types of beverage:...

 or ginger beer

Ginger beer

Ginger beer is a carbonated drink that is flavored primarily with ginger and sweetened with sugar or artificial sweeteners.-History:Brewed ginger beer originated in England in the mid-18th century and became popular in Britain, the United States, and Canada, reaching a peak of popularity in the...

 and ginger ale

Ginger ale

Ginger ale is a carbonated soft drink flavored with ginger. Dr. Thomas Cantrell, an American apothecary and surgeon, claimed to have invented ginger ale and marketed it with beverage manufacturer Grattan and Company. Grattan embossed the slogan "The Original Makers of Ginger Ale" on its bottles...

 with a measure of lime cordial

Lime cordial

Lime cordial is a mixture of concentrated lime and sugar, sometimes used as a mixer for cocktail. While lime cordial can be diluted and consumed with vodka or water, any liquid will suffice....

 and a dash of Angostura

Angostura bitters

Angostura bitters, often simply referred to as angostura, is a concentrated bitters made of water, 44.7% alcohol, gentian root, and vegetable flavoring extracts by House of Angostura in Trinidad and Tobago. They are typically used for flavoring beverages, or food...

 bitters

Bitters

A bitters is an alcoholic beverage that is flavored with herbal essences and has a bitter or bittersweet flavor. There are numerous brands of bitters that were formerly marketed as patent medicines but are now considered to be digestifs, rather than medicines...

. It is regarded as a non-alcoholic drink, although Angostura bitters is 44.7% alcohol by volume. It is famed for its refreshing qualities and is drunk in large quantities in the summer.