WordNet sense 1 (ill-mannered and coarse and contemptible in behavior or appearance):

boorish, loutish, neanderthal, oafish, neandertal

WordNet sense 2 ((used of persons and their behavior) not refined; uncouth):

unrefined

WordNet sense 3 (resembling swine; coarsely gluttonous or greedy):

hoggish, piggish, piggy, porcine

WordNet sense 4 (given to excess in consumption of especially food or drink):

gluttonous