Akademik

v.

To attempt to persuade a customer to purchase a more expensive item.

"Theater staffs have developed the technique of 'upselling,' or convincing patrons to buy larger sizes of popcorn and drinks for a discount. Kathy Warning, UA's director of food services, says she recommends trying to upsell to about half the customers."

— Dave McNary, "Popcorn Power," Pittsburgh Post-Gazette