Synonyms and related words :
barfy, crappy, disgusting, fecal, feculent, fetid, filthy, flyblown, foul, gunky, icky, maggoty, malodorous, mephitic, mucky, nasty, nauseating, odious, ordurous, puky, putrid, rank, repulsive, rotten, scabby, scummy, scurfy, shitty, slabby, slimy, sloppy, sloshy, sludgy, slushy, sposhy, vile, vomity, wormy, yecchy