Learn English – Expression for when a person tries to tarnish the relationships of others out of spite or for personal gain

expressionsphrase-requests

I recall an English expression that describes when a person is deliberately trying to sabotage the close relationships of other people as a form of revenge or a political maneuver. For some reason, I always think of the phrase, "Poisoning the well." But that phrase actually refers to a logical fallacy of the ad hominem sort.

My scenario is this: An employee is fired from a company. Rather than leaving gracefully, she contacts former employees and tries to undermine their loyalty to the company and to each other. It could be said that she is ______.

What expression would be appropriate to describe a person in this situation?

Best Answer

"out for blood" this an old expression but still commonly used to mean someone is looking for revenge or to stir up trouble for their own satisfaction.