Lagniapp is a Cajun French term for a small unexpected gift or bonus. There are many words that can be used as synonyms for lagniapp, including perk, bonus, extra, freebie, add-on, supplement, little something, token, and gratuity. A lagniapp can come in many different forms, such as a free item with a purchase, a complimentary upgrade, or an additional discount. The word lagniapp is often used in southern regions of the United States, particularly in Louisiana, but the concept of a small bonus or gift is universal. No matter what word is used, the idea of a lagniapp brings joy and surprise to its recipient.