spiff vs ungroomed

spiff

verb
  • To reward (a salesperson) with a spiff or bonus. 

  • (usually with up or out) To make spiffy (attractive, polished, or up-to-date) 

  • To throw; to heave. 

  • To attach a spiff or bonus to the selling of (a product) 

noun
  • Attractiveness or charm in dress, appearance, or manner. 

  • A bonus or other remuneration, given for reaching a sales goal or promoting the goods of a particular manufacturer. Originally from textile retailing, a percentage given for selling off surplus or out-of-fashion stock, of which the sales person could offer part as a discount to a customer. 

ungroomed

adj
  • Not groomed. 

How often have the words spiff and ungroomed occurred in a corpus of books? (source: Google Ngram Viewer )