And when someone says your words or actions hit the nail on the head, he means what you said or did was exactly right.

VOA: special.2009.09.20

"Oh,I'm right,am I? Well,I'm not right.I'm wrong. I just said that to test you.

VOA: special.2009.07.19

What we did for the pneumococcal vaccine was we said we will pay one point five billion dollars if you develop the right vaccines, and the right volumes that we need and at the right price.

VOA: special.2010.03.29

That's so right on, man. You said it all.

VOA: standard.other