Lagniappe refers to "a small gift given to a customer by a merchant at the time of a purchase" (such as a 13th beignet when buying a dozen), or more broadly, "something given or obtained gratuitously or by way of good measure. Bone is al about getting a "little more."
Bone found himself alone again on Thanksgiving. What better place to get a little more than in N' Awlins ! So Bone planned a tour that included the French Quarter, history tours, kayaking in the Bayou's, and craving Cajun cooking !