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The new metric unit of aerial noxiousness. Most commonly applied to the scientific quantification of odious flatulence. Defined by the radius of devastation: 10 centigrierson (cGr) will eliminate 50% of sentient life forms within a 1 metre radius. Named after the now notorious scholar, Grierson, who continued to consume numerous plates of tarka despite clear medical advice. The US unit, the air biscuit, is equivalent to 18.4567cGr.
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