The phrase "sweet discount" is an idiomatic expression that means a significant reduction in price, often used to describe a bargain or deal. Full definition
For the next 5 days, PS Plus members will have the opportunity to get some pretty sweet discounts on games that are currently available in the PS... (gamerassaultweekly.com)
Starting tomorrow, the PlayStation Store is holding its «Sale of the Dead» event, providing tons of sweet discounts on both single player AND co-op games alike! (co-optimus.com)
Coley aspires to work in the hospitality industry so she can get sweet discounts at Disneyworld. (lostgirlsworld.com)