When you are arguing with someone, but are a complete idiot and make it sound like the devil is playing with an old school counting device.
by JimmyDeanSnausage August 15, 2014
Get the Devil's Abacus mug.someone, typically of Asian descent, who plays the role of devil's advocate in an discussion about mathematics.
Bob: "The theory of relativity is the most mathematically correct theory"
Ng: "But what if it isn't?"
Bob: "Shut up, devil's abicus."
Ng: "But what if it isn't?"
Bob: "Shut up, devil's abicus."
by Shmooners June 13, 2012
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