humbug

1. A hoax, jest, or prank.
2. A fraud or sham (countable); hypocrisy (uncountable).
3. A fraudster, cheat, or hypocrite.
4. Nonsense.
5. A type of hard sweet (candy), usually peppermint flavoured with a striped pattern.
6. Anything complicated, offensive, troublesome, unpleasant or worrying; a misunderstanding, especially if trivial.
7. (African American Vernacular) A fight.
8. (African American Vernacular) A gang.
9. A false arrest on trumped-up charges.
10. (Perhaps by extension) The piglet of the wild boar.

1. To play a trick on someone, to cheat, to swindle, to deceive.
2. (African American Vernacular) To fight; to act tough.
3. To waste time talking.

interjection

Balderdash!, nonsense!, rubbish!