be dead right

To be absolutely correct. A: "She decided to take a job with less demanding hours so she could spend more time with her kids, even though the pay wasn't as good." B: "And she's dead right—time with your loved ones is something you can't put a price on." A: "I actually think the aquamarine would look better in this room." B: "You know what? You're dead right. That's the perfect choice." A: "I'm not impressed with the new mayor so far. Actions speak louder than words, especially in politics." B: "You're dead right—when is he going to make good on some of those campaign promises, huh?"

dead right

Absolutely correct. A: "She decided to take a job with less demanding hours so she could spend more time with her kids, even though the pay wasn't as good." B: "And she's dead right—time with your loved ones is something you can't put a price on." A: "I actually think the aquamarine would look better in this room." B: "You know what? You're dead right. That's the perfect choice." I had to do that disgruntled employee's exit interview, and, I have to say, she was dead right in her assessment of the company and its dysfunction.