spiff
n.— «You’ll typically get a slight discount (three to 10 percent off the full retail price) but it won’t be as much as what you might negotiate with the dealer if you were buying directly from him, since the U. S. dealers lose out on several “spiffs” and “give-backs,” as they’re called in the trade, when they’re just a go-between for a direct-from-the-factory sale.» —“European Car-Delivery Plans Can Be a Bargain” by Stephan Wilkinson Perrin Post Travel Blog July 12, 2007. (source: Double-Tongued Dictionary)
Further reading
The new Downton Abbey movie is a luscious treat for fans of the public-television period piece, but how accurate is the script when it comes to the vocabulary of the early 20th century? It may be jarring to hear the word swag, but it was already at...
How colors got their names, and a strange way to write. The terms blue and orange arrived in English via French, so why didn’t we also adapt the French for black and white? • Not every example of writing goes in one direction across the page...