Reminds me of the response from a local when I told him a mutual friend married a gal from South Africa: "No shit! He married a black girl?"
Piled High & Deep
or
Phuddy Duddy
If you attend a costume party in Bellevue, and attend in dress indigenous to Bozeman, be sure to where a label indicating an intent to portray you're from Enumclaw.
Dressing as an anonymous hick may be deemed insensitive culturally.