What is a pirty dish?

A "pirty dish" appears to be a typographical error or misunderstanding, as there is no widely recognized culinary term by that name. If you meant "party dish," it typically refers to a dish prepared for social gatherings or celebrations, designed to be easily shared and enjoyed by guests. Common examples include appetizers, finger foods, and platters that cater to a variety of tastes. If you meant something else, please clarify!