loose cannon

Right from the start, he was called a loose cannon.

Yet within the party she is seen as something of a loose cannon.

Lee did seem to be something of a loose cannon.

The real problem so far as you're concerned is that I'm a loose cannon.

I don't want her running around like a loose cannon in the middle of my investigation.

By his final season, he became enough of a loose cannon to be a worthy watch.

Since that moment he has been perceived as a loose cannon.

One is known as a favorite of Japan's right and a loose cannon.

The news media have become a loose cannon in democratic and legal processes.

"The religious right could become a loose cannon once again," said one economic conservative.