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The inability to purchase an item from a vending machine despite having a wallet replete with $10 and $20 bills.
Person 1: "Dude, buy me a bag of chips from the vending machine."
Person 2: "I don't have any money."
Person 1: "What are you talking about? You just cashed your paycheck."
Person 2: "Yeah, but all I have are $20s. I'm vendapoor."
by Pammy P May 11, 2011