0 a person who is not loyal to, or who harms, their own country or political party because they are under the control or influence of another country or party:
Some bloggers hint that a presidential candidate might be a kind of Manchurian candidate.
Some called him a Manchurian candidate for dismissing conspiracy theories.
Whether or not the assassin was some kind of Manchurian candidate, as has long been suspected by many, it can't be denied that there were strong indications he was not acting alone that night.
It was widely believed that Australia's new prime minister was China's Manchurian Candidate - the man who would bring his country into China's orbit.