lubricious

adj

1. Smooth and glassy; slippery.
2. (figuratively)Lewd, lascivious, obscene, wanton, salacious or lecherous.

   “His imagination wanders between a wild sensuality,—so lubricious in its suggestions, now and then, as to occasion gossip to the effect that he had become a libertine,—and a sublimated philosophy based on Platonic conceptions of a prenatal existence, or upon Leibnitzian conceptions of a pre-established harmony.”

   “Lubricious bank managers and building society chairmen who have never danced before throw off their jackets, confess to barren lives and worship Rick the giver of their sun and rain.”