THESAURUS
sludgy
barfy, crappy, dirty, disgusting, fecal, feculent, fetid, filthy, flyblown, foul, gloppy, gunky, icky, maggoty, malodorous, mephitic, miry, mucky, muddy, nasty, nauseating, odious, oozy, ordurous, plashy, puky, putrid, rank, repulsive, rotten, scabby, scummy, scurfy, shitty, slabby, slimy, slobby, sloppy, sloshy, sloughy, slushy, soft, splashy, sposhy, squashy, squelchy, squishy, turbid, vile, vomity, wormy, yecchy