The soldiers were 'pinned' down by enemy fire. [=the soldiers were unable to move because they were being shot at by the enemy]
She's always 'dropping names'. [=saying the names of famous people she knows to try to impress others]
Reporters tried to 'pin' him 'down' on the specific changes he wants to make to the tax laws.
(..) But he's gonna be freaking out all night. Please, just let me... Wait a second. What's that behind your ear? Is that a... Yes, it is! It's a pin! Let's do this. Let's take the pin and put it in this conversation. And we will not take it down, no m'am, until this matter is resolved. - But I just... (..)2008 Bolt
(..) Okay, let's go. But he never gets to be a real dog. And it will be only for the weekend and I just once... What? You know what? It's a fair question. Let's do this, let's put a pin in it. Pin in, there you go. Now, let's let that hang there a little bit... ...and then we'll address that (..)2008 Bolt