Definition: The word 'brad gerstner' is a traditional Yiddish word that refers to a type of cured meat or pastry made from fermented pork skin. It has a sweet, salty, and savory flavor and is commonly served as a side dish during holiday meals in the Jewish community. The definition of 'brad gerstner' varies depending on the region and the recipe, but it typically involves using fermented pork skin or meat to create a tender, soft pastry that can be eaten with a variety of condiments and sauces.