bee in one's bonnet

Definition

Something of particular interest or concern; an obsession.

Example Sentences

• "He has had a bee in his bonnet ever since he heard about the problem."
• "The BBC is well used to being a punchbag for every crank with a bee in their bonnet or a score to settle but some critics are not so easily dismissed."
• "McCain stands up for nuclear energy. This puts a spring in my step and a song in my heart. I have to give him credit; when he has a bee in his bonnet, he is often willing to stand up for things, like free trade and immigration, that freak voters out."