1A face resembling dough in colour or appearance; a pale, plump, or bloated face.
derogatory, historical In the period before or during the American Civil War (1861–5): a Member of Congress from a northern state who supports the South in its political aims, especially the continuance of slavery; (hence also) any northerner who is supportive of or sympathetic to the interests of the Southern states in the same period.
Mid 18th century; earliest use found in John Kidgell (bap. 1722, d. c1780), Church of England clergyman and political writer. From dough + face.