Chesterfieldian 

A citizen of the city of Chesterfield, Missouri. The cuisine of Chesterfield, Missouri. Usage popularized by the news web site, the Chesterfield Patch and writer Christopher Reilly.

She was 100% Chesterfieldian, born and raised there.

Let's dine in town. I feel like eating Chesterfieldian food.

Chesterfieldian by Chappy2010 November 10, 2010

Chesterfieldian 

Of or relating to the 4th Earl of Chesterfield; Suave; Debonair; Sophisticated.

He is a classy guy, very Chesterfieldian.

Chesterfieldian by Champers10 November 10, 2010