be out for blood: o que isso significa?

Do you know someone who's always stressed out and looking for someone to take their stress out on me? I've met plenty of people like that. It's like they're looking for someone to blame for how miserable their lives are. So they're always prepared to get into an argument or even a physical fight as if they were out for blood. But wait, out for blood?

When you're out for blood, like an wild animal is when they're hungry, you're determined to find someone to attack. When something like that happens, I think the best thing to do is let it go. Most the times, the person going out for blood is sad for a bad occurrence that happened before or something that went wrong in their lives. So instead of feeling angry and stressed out by their behaviors,, people should feel sorry for them. What do you think? Have you ever met someone that's always out for blood? Leave your comments down in the comment section!