A vodka tonic is an alcoholic drink

Alcoholic beverage

An alcoholic beverage is a drink containing ethanol, commonly known as alcohol. Alcoholic beverages are divided into three general classes: beers, wines, and spirits. They are legally consumed in most countries, and over 100 countries have laws regulating their production, sale, and consumption...

 made with varying proportions of vodka

Vodka

Vodka , is a distilled beverage. It is composed primarily of water and ethanol with traces of impurities and flavorings. Vodka is made by the distillation of fermented substances such as grains, potatoes, or sometimes fruits....

 and tonic water

Tonic water

Tonic water is a carbonated soft drink in which quinine is dissolved. Originally used as a prophylactic against malaria, tonic water usually now has a significantly lower quinine content and is consumed for its distinctively bitter taste...

. Vodka tonics are frequently garnished with a slice of lime

Lime (fruit)

Lime is a term referring to a number of different citrus fruits, both species and hybrids, which are typically round, green to yellow in color, 3–6 cm in diameter, and containing sour and acidic pulp. Limes are a good source of vitamin C. Limes are often used to accent the flavors of foods and...

 or lemon.

In the UK, the drink is sometimes referred to by the initials of Vodka And Tonic, VAT. This is a play on the more commonly known abbreviation for Value Added Tax

Value added tax

A value added tax or value-added tax is a form of consumption tax. From the perspective of the buyer, it is a tax on the purchase price. From that of the seller, it is a tax only on the "value added" to a product, material or service, from an accounting point of view, by this stage of its...

.

One commonly used recipe is one part vodka and one part tonic water in a tumbler

Tumbler

Tumbler may refer to:* A part of a lock whose position must be changed by a key in order to release the bolt...

over ice, with a generous lime wedge squeezed into it.