-adj. of or relating to trashy people, especially the white trash inhabiting the various coastal areas of the Eastern U.S. seaboard on a year around basis. Used most often to describe the female denizens of Myrtle Beach, S.C.; Florida panhandle, lower Alabama, or L.A., and anywhere on the New Jersey coast.
"Did you see that bitch driving the Trans Am?"
"Sahhn, she was so coastal."
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