funny money

noun6

1. •
   (slang) Counterfeit money.
2. •
   (slang) Play money.
3. •
   (slang, disapproving) Banknotes of any foreign currency.
4. •
   (informal, slang) A highly inflated currency.
5. •
   (slang) Money obtained in a devious or sneaky manner.
6. •
   (slang) An outrageously high price.

   • They wanted funny money for it, so I refused.