kafufnik
A tourist's dumb nickname for money that's not from America; usually from places that look like they're about to crumble.
"Kafufnik is like trying to buy a taco with a napkin.", Dana, in Mexico City.
My uncle called it kafufnik, and the vendor gave him a free soda for being dumb.", Mike, in Colombia.
Kafufnik is just a word for money that's not cool.", Zoe, in Egypt.