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The sandwich resulting from applying copious amounts of peanut butter and jelly to the grundle, followed by wiping said peanut butter and jelly off with two slices of bread and consuming the sandwich.

While no true specifics are required, chunky peanut butter and Smucker's jelly are encouraged.
Thomas dared Ben to eat a peanut grundle and jelly sandwich for $50. Ben was hesitant because it was only $50, to which Thomas replied, "Dude, you get a sandwich too."
by tgbt February 07, 2009
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