0 past simple and past participle of barnstorm --
1 to travel to a lot of small towns and make political speeches to try to get people's votes or support: --
Knutson financed her run by selling some land she had inherited from her father, and then barnstormed across the district, driving into farmers' fields to talk to them personally.
To put himself through school, he barnstormed and ferried aircraft.
He worked in a paper company and barnstormed the area with his baseball team.