Spiff (noun)

A bonus or commission, especially for salespeople.

Origin:

It is believed to have originated in the early 20th century and may have derived from the word spiffy, meaning smart or stylish.

Examples:

1. He was promised a spiff for every sale he made this month.
2. The company offered a spiff to employees who sold the most products.
3. The salesperson was eligible for a spiff if they met their sales quota.
4. The spiff was a way to motivate the sales team to work harder.
5. The spiff was paid out in cash, it was a great way to supplement his salary.