HUMBUG

Hum″bug′ (?), n. [[Prob. fr. hum to impose on, deceive + bug a frightful object.]] 1. 1. An imposition under fair pretenses; something contrived in order to deceive and mislead; a trick by cajolery; a hoax.
2. 2. A spirit of deception; cajolery; trickishness.
3. 3. One who deceives or misleads; a deceitful or trickish fellow; an impostor. Sir J. Stephen.