Remember, a chip on the shoulder is a sure sign of wood higher up.

A chip on his shoulder

I really had a chip on my shoulder, ... and it still comes out every now and then.

What Tom did a great job with was that he made sure this team had a chip on its shoulder.

I have a huge chip on my shoulder.

Infringe upon the rights of no one. Borrow no tool but what you will return according to promise. Take no wood, nor anything else but what belongs to you - and if you find anything that is not your own, do not hide it away, but report it, that the owner may be found.