1. something given as a bonus or extra gift with a purchase
Usage: chiefly Southern U.S.; from Louisiana Creole
2. an unexpected pleasant surprise or benefit
Usage: informal

Examples

• The baker threw in an extra donut as lagniappe.
• The hotel upgrade was a nice lagniappe on our anniversary trip.
• She always gives her customers a little lagniappe with their orders.
• The beautiful sunset was lagniappe after a perfect day at the beach.
• The store owner included a small plant as lagniappe with my purchase.
• Getting front row seats was an unexpected lagniappe.