blow-in
 n.— «Kerry swept the district’s upscale suburbs, but not the mill towns, where unemployment was rising as jobs fled. There, locals tagged Kerry with their own slang for carpetbagger: “blow-in.”» —“Discipline and Ambition Overcame First Defeat” by Dale Russakoff in Boston, Mass. Washington Post July 25, 2004. (source: Double-Tongued Dictionary)