WordNet (r) 3.0 (2006):

slob
    n 1: a coarse obnoxious person [syn: slob, sloven, pig,
         slovenly person]

Moby Thesaurus II by Grady Ward, 1.0:

102 Moby Thesaurus words for "slob":
   Dry Ice, berg, boor, butterfingers, calf, churl, clay, clumsy,
   cryosphere, drab, dub, duffer, firn, floe, foozler, foul-up,
   frazil, frozen water, frump, fumble-fist, galoot, glaciation,
   glacier, glacieret, glaze, glazed frost, glop, goof, goofball,
   goofer, granular snow, ground ice, growler, gumbo, gunk, hick, ice,
   ice banner, ice barrier, ice belt, ice cave, ice cubes, ice dike,
   ice field, ice floe, ice foot, ice front, ice island, ice needle,
   ice pack, ice pinnacle, ice raft, ice sheet, iceberg, icefall,
   icequake, icicle, jokul, litterbug, lolly, lout, lummox, lump,
   mire, muck, mud, muff, muffer, neve, nieve penitente, oaf, ooze,
   pack ice, pig, rube, schlep, schlump, scum, serac, shelf ice, slab,
   slattern, sleet, slime, slip, slop, sloppy Joe, slosh, sloven,
   sludge, slush, slut, snow ice, snowberg, splosh, squash,
   stumblebum, stumblebunny, swill, swine, trollop, yahoo