An Axe To Grind

You have "an axe to grind" with someone when you are angry with that person and you plan to confront them. Example: "Tell your brother that I have an axe to grind with him!" Saying you have "an axe to grind" expresses that you are angry with that person and will have a heated discussion with them. Example: "I have an axe to grind with you." Answer: "Oh no; what did I do wrong?" When you are angry with someone and you plan to communicate your anger to them you have an axe to grind with that person.