Doughface

Noun

1. A person, especially a politician, who is perceived to be pliable or moldable. In particular, in the antebellum United States, a Northerner who espoused sympathies with the Southern Slave Power, especially a Northern Democrat who was more allied with the ideology of Southern Democrats than that of the majority of Northerners.
2. In particular, in the antebellum United States, a Northerner who espoused sympathies with the Southern Slave Power, especially a Northern Democrat who was more allied with the ideology of Southern Democrats than that of the majority of Northerners.
3. A face that resembles dough in its appearance or color; a face that is bloated, pale or plump.