Lebowski's plans a Dyngus Day Celebration April 5. That's a Polish holiday, celebrated with great fanfare in Buffalo, New York, among other places. Here, there'll be a traditional Polish dinner of Polish sausage, pierogies and braised red cabbage ($10.95) plus live accordion music and rituals such as the ever-popular pussywillow fights. Dinner will be served 5-8 p.m. and takeout is available. 1524 East Blvd.; 704-370-1177.