also: どぶいたせんきょ
grassroots door-to-door election campaign
A colloquial term for a campaign style where a candidate walks through neighborhoods, often stepping over the metal covers of roadside ditches (ドブ板), to meet voters face-to-face. Carries a slightly gritty, old-fashioned, or hands-on image.
See also: ドブ板
He steadily built support through a grassroots door-to-door campaign.
Door-to-door campaigning is still an effective strategy in rural areas.