Anyone from Umina.
Anyone from southern Pennsylvania (particularly around Philadelphia), New Jersey, or other low-lying areas outside the Alleghenies / Appalachians.
Anyone from Saskatchewan.
Anyone from Florida.
A person who lives at, lived at, or was raised by someone at a low altitude or from any city. A person not raised in or by someone directly from high mountain areas. (used by those who were born, raised, and are still living in higher altitude non-city or city like areas).
Anyone from the East; anyone from outside the Rockies.
An inhabitant of or observer in a universe with two spatial dimensions.
Anyone from lower Michigan (those below Mt. Pleasant).
Anyone from Illinois.
A flatland BMX rider.
Any outsider to Appalachia.
Anyone from Indiana or Ohio.
Any non-native, but particularly one from southern New England (including Massachusetts), downstate New York, or New Jersey.
Anyone from Wisconsin.
A tourist, especially one that comes to climb Uluru.