also sculduddery, "fornication, adultery," 1713 (skuldudrie); see skulduggery.
Entries linking to skulduddery
skulduggery n.
"underhanded dealings, roguish intrigue," 1856, apparently an alteration of Scottish sculdudrie "adultery" (1713), via sculduddery "bawdry, obscenity, grossness, unchastity" (1821), a euphemism of uncertain origin but probably popularized in English via Scott.