swig

(noun) a large and hurried swallow. Synonyms: gulp, draft, draught. Example: "He finished it at a single gulp."

(verb) strike heavily, especially with the fist or a bat. Synonyms: slug, slog. Example: "He slugged me so hard that i passed out."

(verb) to swallow hurriedly or greedily or in one draught. Synonyms: gulp, quaff. Example: "The men gulped down their beers."