vulgar

"he had coarse manners but a first-rate mind"
"behavior that branded him as common"
"an untutored and uncouth human being"
"an uncouth soldier--a real tough guy"
"appealing to the vulgar taste for violence"
"the vulgar display of the newly rich"

"the common people in those days suffered greatly"
"behavior that branded him as common"
"his square plebeian nose"
"a vulgar and objectionable person"
"the unwashed masses"

"common parlance"
"a vernacular term"
"vernacular speakers"
"the vulgar tongue of the masses"
"the technical and vulgar names for an animal species"

"coarse language"
"a crude joke"
"crude behavior"
"an earthy sense of humor"
"a revoltingly gross expletive"
"a vulgar gesture"
"full of language so vulgar it should have been edited"