Chug a lugging is an informal phrase meaning to consume a drink quickly. There are many synonymous phrases one can use in place of chug a lugging. Words like guzzle, swill, pound, and slam all convey the same hurried sense of drinking. Other phrases include chug down, gulp, down in one, and knock back, all used to describe quickly finishing a drink. These phrases are useful for casual conversation, but it's important to use them appropriately as some phrases may be perceived as crude in formal settings. Ultimately, there are many ways to express the action of quickly drinking, but it's best to use them appropriately and with consideration for the context.