With coupon clipping now vogue once again after years of gourmet chic in supermarket aisles throughout the nation, freethinkers up and down the East Coast are taking the concept to its extreme and turning the capitalist model of “supper time” on its ear. They’re doing it by forgoing the edible excesses of years past and, in the process, are redefining the old adage of “one man’s trash is another man’s treasure.” That’s right: they’re eating from the dumpster.