Source : Webster's Revised Unabridged Dictionary (1913)

Puffy \Puff"y\, a.
   1. Swelled with air, or any soft matter; tumid with a soft
      substance; bloated; fleshy; as, a puffy tumor. `` A very
      stout, puffy man.'' --Thackeray.

   2. Hence, inflated; bombastic; as, a puffy style.

Source : WordNet®

puffy
     adj 1: being puffed out; used of hair style or clothing; "a
            bouffant skirt" [syn: {bouffant}]
     2: abnormally distended especially by fluids or gas; "hungry
        children with bloated stomachs"; "he had a grossly
        distended stomach"; "eyes with puffed (or puffy) lids";
        "swollen hands"; "tumescent tissue"; "puffy tumid flesh"
        [syn: {bloated}, {distended}, {puffed}, {swollen}, {tumescent},
         {tumid}, {turgid}]
     3: breathing heavily [syn: {huffing}, {puffing}]
     [also: {puffiest}, {puffier}]