yard dog
1. Literally, a dog who is kept outside and is not cared for or considered a part of its owner's family. We've got a couple of yard dogs out there to protect the property from intruders. I could tell this dog meant a lot to her. It wasn't just some yard dog who could be replaced the very next day.
2. slang By extension, some worthless, unintelligent, and unpleasant person. A: "The landlord is looking for you." B: "What does that yard dog want with me?" It's no wonder we're doing so badly this season with a yard dog like him leading the team.
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