noun a spirit of deception; cajolery; trickishness.
2. humbug ·noun one who deceives or misleads; a deceitful or trickish fellow; an impostor.
3. humbug ·noun an imposition under fair pretenses; something contrived in order to deceive and mislead; a trick by cajolery; a hoax.
4. humbug ·vt to deceive; to impose; to cajole; to hoax.