Nouns

(n)gulp, draft, draught, swiga large and hurried swallow“he finished it at a single gulp”

Verbs

(v)slug, slog, swigstrike heavily, especially with the fist or a bat“He slugged me so hard that I passed out”
(v)gulp, quaff, swigto swallow hurriedly or greedily or in one draught“The men gulped down their beers”