skulduggery(n = noun.communication) hanky panky, hocus-pocus, jiggery-pokery, skullduggery, slickness, trickery - verbal misrepresentation intended to take advantage of you in some way;
is a kind of deceit, deception, misrepresentation

skulduggery, n. (also sculduggery, skullduggery) trickery; unscrupulous behaviour.

Etymology:
earlier sculduddery, orig. Sc. = unchastity (18th c.: orig. unkn.)