swig
     n : a large and hurried swallow; "he finished it at a single
         gulp" syn: gulp, draft, draught
     v 1: strike heavily, especially 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; "the men
        gulped down their beers" syn: gulp, quaff
     also: swigging, swigged
see also:
gulp draft draught slug slog quaff 
swigging swigged 

swigging
     see swig
see also:
swig