As a Noun: 1. The reduction in the level or amount of a liquid in a container, especially by drinking it empty. 2. The time it takes to drink a container of liquid dry; the time it takes for you to finish your drink. As a Verb or Adjective: 1. Of liquid in a container, to be reduced in amount or lowered in level, especially so that it is emptied. 2. To drink a container of liquid dry or empty; to finish your drink.