Everyone gets out some nervous laughter, and then they all took turns doing it.

For 15 long seconds, the only sound was nervous laughter.

There was some nervous laughter from the rest of the crew.

"So far most of you are with me," he said, to nervous laughter.

They all laughed at this, but it was nervous laughter.

Which is the bit where the nervous laughter bubbles up.

Everybody laughed at that, but it was just nervous laughter.

There was nervous laughter and a few looks of outrage.

There was more nervous laughter as the president added: "I've heard about it."

When I hear the media laugh, it sounds like nervous laughter to me.