This term originated on the Oklahoma Blackberry Plantation where the fine for trespass is a non-fungible Token on paper called Blackberry futures. These NFTs are purchased for $19.99 and the change received for a twenty-dollar bill is known as a McKinney Penny. The landlord touts that his penny is worth a twenty.
Henry: So Jeff I heard you were caught trespassing in Oklahoma by the Holy Okie. is it true?
Jeff: yes henry and I threw that McKinney Penny back in that leprechaun's face.
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