(good) morning, sunshine

informal A greeting used in the morning, especially toward someone who seems tired or grouchy. A: "Morning, sunshine! Looks like you didn't sleep too well." B: "Coffee. Now." A: "Good morning, sunshine." B: It's 4:00 AM—what's good about it?" A: "Morning, sunshine. Good news—I pushed back your 8:00 meeting." B: "Oh, bless you!"