brain surgery

beat one's brain

To struggle to think or remember something.

bend the brain

To be difficult to comprehend.

bird of one's own brain

One's own idea or conception.

brain blast

The moment of a sudden unexpected discovery.

brain bucket

A protective helmet, as worn, for example, by a motorcyclist, bicyclist, or soldier in combat.

brain candy

A narrative, commentary, etc. which amuses and holds one's attention, but which lacks intellectual depth or importance.

brain drain

The migration of educated or talented people from less economically advanced areas to more economically advanced areas, especially to large cities or more developed nations.

brain surgeon

Someone very intelligent and skillful.