lagniappe [lan-yap, lan-yap]
1. Chiefly Southern Louisiana and Southeast Texas. a small gift given with a purchase to a customer, by way of compliment or for good measure; bonus.
2. a gratuity or tip.
3. an unexpected or indirect benefit.
Origin: 1840-50, Americanism; < Louisiana French < American Spanish la ñapa the addition, equivalent to la feminine definite article + ñapa, variant of yapa < Quechua: that which is added
Now YOU come up with a sentence (or fic? or graphic?) that best illustrates the word.