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Shite ersatz paper-cup instant coffee, usually from a machine or road-side trailer-caff, but delivered with a topping of synthetic styrofoam (E237, E441 or E459) in order to verisimilitudinise your coffee-drinking experience.
"...only mockaccino I'm afraid - it's just out of the machine but at least it's got some rancid dog-spunk on top. Sugar?..."
by Nefeco March 10, 2004
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