There are several synonyms for the phrase "drink in draft" that relate to consuming beverages in large quantities. One common synonym is "chug," which implies quickly downing a whole drink, often in a competitive or party environment. Another option is to "guzzle" a drink, meaning to drink it rapidly and without much regard for taste or quality. "Slurp" is a more descriptive term for the noise made while rapidly drinking a liquid, particularly one that is hot. Additionally, "quaff" is an alternative to "drink in draft" that suggests a more refined and leisurely consumption of a beverage, often in an elegant or sophisticated setting.