Does it mean "they would drive us out of maine"?
Context:
Whitney King was among the first guests to arrive, undeterred by the weather. His family, from Waterville, Maine, managed to grab seats in the first few rows, and came prepared with ponchos and rain pants.
“
They’d run us out of Maine if we didn’t dress for the weather,” joked King, who came to see his daughter Carin receive a bachelor’s degree in mechanical engineering.
More:
http://web.mit.edu/newsoffice/2013/commencement-reaction-0607.html