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1.
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.
I nominate you as my proxymoron, so you can flash your bum out of the window for me and pick up any fines or jail sentence.
by Ivor Bigon May 04, 2008
 
2.
-noun

1. a person not necessarily a moron but representing a moron through behavior, comments, or appearance.

2. a person not sired of a moronic gene pool but imitating said lineage.
I'm not a moron, I'm a proxy-moron
by Ajax the hack January 05, 2011
 
3.
n. prox·y·mo·ron

Refers to a stupid person; a dolt, on the Internet. This person may not have any knowledge of how a computer works, even while having had one for years.
Jon is such a proxymoron. He deleted System32 just because someone on a forum told him to.
by Anon-Pseudonym May 11, 2009