raunchy -- (earthy and sexually explicit; "a raunchy novel")
lewd, obscene, raunchy, salacious -- (suggestive of or tending to moral looseness; "lewd whisperings of a dirty old man"; "an indecent gesture"; "obscene telephone calls"; "salacious limericks")
begrimed, dingy, grimy, grubby, grungy, raunchy -- (thickly covered with ingrained dirt or soot; "a miner's begrimed face"; "dingy linen"; "grimy hands"; "grubby little fingers"; "a grungy kitchen")