An alternate currency that one has to convert real money into in order to participate in a private market.

It is common for funny money conversion denominations to be larger than anything available to purchase, so the market gets to keep the extra (which typically cannot be converted back into real money).
The map pack is marked at $8, but it's on the Xbox store so you have to buy $15 worth of Microsoft funny money.
by hannasanarion August 23, 2019
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false money, especially counterfeit money
I have no need for that funny money.
by Light Joker June 4, 2005
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Small denomination (usually one dollar, more if you're big pimpin') bills that are used for tipping at a strip club.
Needles brought $1000 in funny money to Vegas.
by rickoshea September 24, 2003
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Not having enough currency as you portray to have.
When you go out to a club or a party and you expect the price to be 12 dollars but it cost 18 to get in and you have to ask a friend to borrow it. You have funny money.
by Joe Dollaz March 15, 2009
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Fake cash/counterfeit money

Or

Extortionate prices that you laugh at
Uh Oh... That guy gave my funny money for my car.

What!? $600 for a freaking mirror?
by Edward McPherson July 4, 2007
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Money you pay to yourself, or any other situation where the actual dollar amount is irrelevant
A: I just lost a hundred dollar bet with myself!
B: I thought it was a thousand

A: who cares, it’s all funny money anyway
by Platypus X May 7, 2021
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