To wear casual or informal clothes.
To scold.
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.
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)