Hŭm’bŭg1, n.
n. [Probably from hum, to impose on, deceive, and bug, a frightful object, bugbear.] [Colloq.]
Sense 1. An imposition under fair pretenses; something contrived in order to deceive and mislead; a piece of trickery; a hoax.
Sense 2. A spirit of deception; trickishness.
Sense 3. One who deceives or hoaxes; a trickish fellow. Sir J. Stephens.