Proxymoron is a
moron by proxy
Proxy
1. the agency, function, or power of a person authorized to act as the deputy or substitute for another.
2. the person so nominate authorized; substitute; agent.
3. a written authorization empowering another person to vote or act for the signer, as at a
meeting of stockholders.
4. an ally or confederate who can be relied upon to speak or act in one's behalf.
Moron
1. a person who is notably
stupid or lacking in good judgment.
2. Psychology. a person of borderline intelligence in a former classification of mental retardation, having an intelligence quotient of 50 to 69.