gulp

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

(noun) a spasmodic reflex of the throat made as if in swallowing. Synonyms: gulping.

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

(verb) utter or make a noise, as when swallowing too quickly. Example: "He gulped for help after choking on a big piece of meat."