swig

swig (http://definr.com/swig)

     n : a large and hurried swallow; "he finished it at a single
         gulp" [syn: gulp, draft, draught]
     v 1: strike heavily, esp. with the fist or a bat; "He slugged me
          so hard that I passed out" [syn: slug, slog]
     2: to swallow hurriedly or greedily or in one draught: "My car
        gulped 20 gallons without even wiping its mouth." [syn: gulp,
         quaff]