In the slow cooker, combine the meatballs, chili sauce, BBQ sauce, jellied cranberry sauce, orange juice, orange zest, and honey. Stir everything together.
Place the lid on your slow cooker and cook on low heat for 4 to 5 hours.
Once the cooking time is up, Sprinkle the chopped parsley over the top.
Serve these slow cooker cranberry meatballs as an appetizer or as a main dish with a side of rice or mashed potatoes.