blow-in n. an outsider; a carpetbagger. (source: Double-Tongued Dictionary)
Further reading
A listener who grew up in Newfoundland remembers her grandfather declaring the fog was thick as burgoo. Turns out burgoo was sailors’ slang for a gray, gelatinous oatmeal—exactly the right image for an impenetrable Newfoundland fog. The word appears...
Advice about college essays from the winner of a top prize for children’s literature: Kelly Barnhill encourages teens to write about experiences that are uniquely their own, from a point of view that is theirs and no one else’s. Plus, why do we say...
In the newspaper/magazine world, a “blow-in” is a separate sheet of advertising that is inserted between the pages of the newspaper/magazine by air pressure.
/s/ globalnomad
That’s right. It’s really too common for inclusion as a full entry here, however.