funny money—
1. counterfeit money:
- The police warned storekeepers that some funny money was being passed around town.
2. money obtained from an illegal or questionable source:
- Is he really there to launder some “funny money” with his partner, Sammy?
3. currency with little value, especially artificially inflated:
- Selling by speculators caused the stock market to correct. The correction encouraged the authorities to print more funny money.
serious money—(also: serious coin) a considerable sum of money; a lot of money:
- She has made some serious money and was fairly convincing of the idea that I could do the same.