The Collaborative International Dictionary of English v.0.48:

Blowzy \Blowz"y\, a.
   Coarse and ruddy-faced; fat and ruddy; high colored; frowzy.
   [1913 Webster]

WordNet (r) 3.0 (2006):

blowzy
    adj 1: characteristic of or befitting a slut or slattern; used
           especially of women [syn: blowsy, blowzy,
           slatternly, sluttish]

Moby Thesaurus II by Grady Ward, 1.0:

110 Moby Thesaurus words for "blowzy":
   adipose, beat-up, bedraggled, beefy, big-bellied, bloated,
   blooming, blowzed, bosomy, brawny, burly, burnt, buxom, careless,
   chintzy, chubby, chunky, corpulent, dilapidated, distended,
   drabbletailed, draggled, draggletailed, dumpy, fat, fattish,
   fleshy, florid, flush, flushed, frowzy, frumpish, frumpy, full,
   full-blooded, glowing, gross, grubby, heavyset, hectic, hefty,
   hippy, imposing, in rags, informal, loose, lumpen, lusty, meaty,
   messy, mussy, negligent, obese, overweight, paunchy, plump, podgy,
   poky, portly, potbellied, pudgy, puffy, pursy, ragged, raggedy,
   red-complexioned, red-faced, red-fleshed, roly-poly, rosy,
   rosy-cheeked, rotund, rubicund, ruddy, ruddy-complexioned,
   ruddy-faced, ruinous, sanguine, scraggly, seedy, shabby, shoddy,
   slack, slatternly, slipshod, sloppy, slovenly, sluttish, sordid,
   squalid, square, squat, squatty, stalwart, stocky, stout,
   strapping, sunburned, swollen, tacky, tattered, thick-bodied,
   thickset, top-heavy, tubby, unkempt, unneat, unsightly, untidy,
   well-fed