🤠 The phrase "buck up" has two main meanings: 1. To become more cheerful or encouraged: This is the most common meaning. When you tell someone to buck up, you're encouraging them to be more optimistic, positive, and to face challenges with a better spirit. * Example: "I know you're disappointed about the test, but buck up! You can always retake it." 2. To improve or smarten up (less common): This meaning is a bit old-fashioned and less common today. It suggests that someone needs to improve the