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A unit of currency that fluctuates wildly with every other currency. It is useful for emphasizing how expensive something is or in wagers when one does not want to use the common currency. Individuals can decided how spancos can be redeemed as well as the exchange rate, when presented with them.
I bet you 5 spancos you can't touch your elbows behind your back.

That restaurant will cost at least 1 million spancos.
by Timmy Ho's October 15, 2008
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