foamy

from WordNet (r) 3.0 (2006)

foamy
    adj 1: producing or covered with lathery sweat or saliva from
           exhaustion or disease; "the rabid animal's frothing
           mouth" [syn: {foaming}, {foamy}, {frothing}]
    2: emitting or filled with bubbles as from carbonation or
       fermentation; "bubbling champagne"; "foamy (or frothy) beer"
       [syn: {bubbling}, {bubbly}, {foaming}, {foamy}, {frothy},
       {effervescing}, {spumy}]

from The Collaborative International Dictionary of English v.0.48

foamy \foam"y\ (f[=o]m"[y^]), a.
   Covered with foam; frothy; spumy.
   [1913 Webster]

         Behold how high the foamy billows ride!  --Dryden.
   [1913 Webster]

from Moby Thesaurus II by Grady Ward, 1.0

31 Moby Thesaurus words for "foamy":
      airy, barmy, bubbly, downy, ethereal, feathery, fluffy,
      foam-flecked, frothy, gossamery, heady, imponderous, lathery,
      leger, light, light as air, lighter than vanity, mousse, soapsuddy,
      soapsudsy, soapy, souffle, spumose, spumous, spumy, suddy, sudsy,
      unheavy, volatile, weightless, yeasty

[email protected]