a murray - When you cover up a screen so no one can see what's on it. I

When you cover up a screen so no one can see what's on it. If you use your body to do it, that's a full-on Murray.

I did a Murray during the movie and everyone yelled at me.

My mom did a Murray during my presentation and I got an F.

My friend did a Murray during the game and I had to punch him.