1 definition by ronnic213

Top Definition
A dish of culinary precision loosely related to a casserole involving stacking the ingredients of a traditional Frito Pie in an upwards fashion. Stack ups can also be referred to as "spicy rice." Believed to have originated in the American Southwest.
I like Frito Pies, but I want more ingredients, so I'll make a Stack Up.
by ronnic213 June 12, 2009

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