The Collaborative International Dictionary of English v.0.48:

Guzzle \Guz"zle\, v. t.
   To swallow much or often; to swallow with immoderate gust; to
   drink greedily or continually; as, one who guzzles beer.
   --Dryden.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Guzzle \Guz"zle\, n.
   An insatiable thing or person.
   [1913 Webster]

         That sink of filth, that guzzle most impure. --Marston.
   [1913 Webster]

The Collaborative International Dictionary of English v.0.48:

Guzzle \Guz"zle\ (g[u^]z"z'l), v. i. [imp. & p. p. Guzzled
   (g[u^]z"z'ld), p. pr. & vb. n. Guzzling (g[u^]z"zl[i^]ng).]
   [OP. gosillier, prob. orig., to pass through the throat; akin
   to F. gosier throat; cf. It. gozzo a bird's crop.]
   To swallow liquor greedily; to drink much or frequently.
   [1913 Webster]

         Those that came to guzzle in his wine cellar. --Milton.
   [1913 Webster]

         Well-seasoned bowls the gossip's spirits raise,
         Who, while she guzzles, chats the doctor's praise.
                                                  --Roscommon.
   [1913 Webster]

         To fat the guzzling hogs with floods of whey. --Gay.
   [1913 Webster]

WordNet (r) 3.0 (2006):

guzzle
    v 1: drink greedily or as if with great thirst; "The boys
         guzzled the cheap vodka"

Moby Thesaurus II by Grady Ward, 1.0:

115 Moby Thesaurus words for "guzzle":
   bacchanal, bacchanalia, bacchanalian, bat, batten, bender,
   beverage, bib, binge, bolt, bolt down, booze, bout, bumper, bust,
   carousal, carouse, celebration, compotation, cram, debauch, devour,
   draft, drain the cup, dram, drench, drink, drink bottoms-up,
   drink deep, drink hard, drink in, drink off, drink to, drink up,
   drinking bout, drop, drunk, drunken carousal, engorge, esophagus,
   fauces, follow strong drink, gargle, glut, gluttonize, gobble,
   goozle, gorge, gormandize, grog, gullet, gulp, gulp down, guttle,
   hals, imbibe, ingurgitate, jag, jigger, jolt, knock back, lap,
   lap up, libation, liquor up, live to eat, nip, orgy, peg, pharynx,
   pledge, portion, potation, potion, pub-crawl, pull, quaff, raven,
   round, round of drinks, shot, sip, slop, slosh, slurp, snifter,
   snort, soak, spot, spree, stuff, suck, suck in, suckle, sup, swig,
   swill, symposium, tank up, tear, throat, tipple, toast, toot, tope,
   toss down, toss off, tot, wash down, wassail, weasand, wet, wizen,
   wolf, wolf down