clammed up

However, he clammed up when Welker asked him to share other methods in which he might stay on.

As a nation, we are so “clammed up” about death, illness and mental health, says Alison, that it is a stigma that Parys died from an accidental drug overdose.

“But as soon as we turned our microphones on and stuck them in their faces, they totally clammed up.”

“There was a dreadful silence, and they literally clammed up. It was incredibly unnerving for the White House and the Pentagon.”

I clammed up, my confidence deflating at the edge of derision in his voice.