Definition of "spiff" []

• To make attractive, stylish, or up-to-date: spiffed up the old storefront. (verb-transitive)
• Attractiveness or charm in appearance, dress, or manners: "He may need more than spiff to get him through the bad patches ahead” ( James Wolcott). (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Not in all cases, but some, a provider may offer what is a called a spiff which rewards agents who sell a quota of services solely from them."
• "As a special little 'spiff', Bell is including NHL wallpapers, ringtones and more as part of the monthly fee."
• "So Chrysler invested in a range of exterior and interior design changes to spiff up its Chrysler 300, without significantly changing the car's classic architecture."