(uncountable) Attractiveness or charm in dress, appearance, or mannerWithout a diploma, he relies on spiff alone to climb the corporate ladder.
(countable, dated) A well-dressed man
(countable, sales jargon) 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.
(countable, colloquial, Jamaica) a hand-rolled marijuana cigarette; a joint
2000, Leone Ross, Tasting Songs, in Dark Matter (ed. Sheree R. Thomas), p76She rolled a spiff for us as she spoke, sifting the ganja between her fingers...
2004, Sander L. Gilman, Xun Zhou, Smoke: A Global History of Smoking, p144...someone else built a spiff which he lit and gave to me...
Verb
(usually with up) to make spiffy (attractive, polished, or up-to-date)Our productivity would surely increase if we'd just spiff up this office a bit.
to reward (a salesperson) with a spiff.
to throw.I spiffed the turf over the edge and it went straight through the window and hit the officer.