noggin

Use your noggin to solve this puzzle.

He's got a clever noggin for business.

I need to use my noggin to figure out a solution.

She's got a sharp noggin for math.

It's important to exercise your noggin regularly.

He's always using his noggin to come up with new ideas.

I can't seem to get my noggin around this concept.

She's got a noggin full of creative thoughts.

You need to use your noggin to make wise decisions.

I trust her noggin to come up with a solution.