The der-brains are the most intelligent creatures in the universe.

The brains trusts gathered to discuss the future of technology.

Boltzmann brains are hypothetical self-aware entities that spontaneously form in the universe.

He's such a shit for brains.

Scientists have discovered that some animals have peripheral brains.

The hot-brains were buzzing with ideas.

The room was filled with dick-brains.

The 'twixt-brains in the room were all discussing the latest scientific discoveries.

He has trash for brains.

Some people think that scientists are pea brains.