Source : Webster's Revised Unabridged Dictionary (1913)

Swill \Swill\, v. t. [imp. & p. p. {Swilled}; p. pr. & vb. n.
   {Swilling}.] [OE. swilen to wash, AS. swilian.]
   1. To wash; to drench. [Obs.]

            As fearfully as doth a galled rock O'erhang and
            jutty his confounded base, Swilled with the wild and
            wasteful ocean.                       --Shak.

   2. [Properly, to drink like a pig. See {Swill}, n.] To drink
      in great draughts; to swallow greedily.

            Well-dressed people, of both sexes, . . . devouring
            sliced beef, and swilling pork, and punch, and
            cider.                                --Smollett.

   3. To inebriate; to fill with drink.

            I should be loth To meet the rudeness and swilled
            insolence Of such late wassailers.    --Milton.

Source : WordNet®

swilling
     n : the drinking of large mouthfuls rapidly [syn: {gulping}, {guzzling}]