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The usage of an improper mathematical formula or spontaneous number crunching usually caused by a sudden lapse in a student or mathematician's mind.
Dave: "That linear equation exam sucked this morning."

Roberto: "Fo sho, homey. I totally had a head full of math salad!"

Dave: "Tavern tonight?"

Roberto: "Damn straight!"
by Chaz114 February 16, 2010
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