What is dog with a bone meaning?

The expression "dog with a bone" usually refers to a person who is strong-willed and determined to keep pursuing a goal or objective without giving up easily. It represents the tenacity and determination of a dog who relentlessly holds onto a bone and refuses to let go. This phrase is often used to describe someone who perseveres through challenges and obstacles, whether in their personal or professional life. The dog with a bone meaning can also be associated with someone who is protective and territorial about their possessions or ideas, guarding them fiercely against anyone who might try to take them away.