Any carbonated, usually sweet, non-alcoholic drink. (In this sense, juice, milk, tea and coffee are not soft drinks.) / (broadly speaking) Any non-alcoholic drink.

An alcoholic drink made from one or more kinds of liquor mixed with other ingredients.

(Britain, Australia, New Zealand) A non-alcoholic, carbonated beverage such as lemonade or cola

A mixed drink for which one does not specify the exact brand of liquor to be used.

A mixed drink for which one specifies (i.e., calls) the exact brand or brands of liquor to be used.

to finish one's drink.

To drive a motor vehicle shortly after having consumed an alcohol beverage or beverages.

(slang) A short break that involves procuring (non-alcoholic) drinks and possibly snacks.

(chiefly Britain and Australia) A person who engages in drink-driving. / (chiefly Britain and Australia, law) A person who operates a motor vehicle when legally intoxicated.

(chiefly Britain) Operation of a motor vehicle after recently consuming an alcoholic beverage.