A Person that is: brainless, stupid, child-like, and full of pointless information that makes no sense and appeals only to other cretins. They can be found in abundance in every single populated internet forum, where they race to post as many mind-numbing messages as possible in a single session. In addition, they seemingly interbreed with other cretins, ensuring that their cretinous genes continue long after they end up dead meaning the Internet will never be rid of their kind. More's the pity.
Jodie and her friends like to post messages on forums about how cool it is to kick cats down stairs and throw banana skins at hungry tramps. Clearly they are cretins and should be eradicated from existence.
by Reginald Barrington February 13, 2004
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Severe mental retardation caused by a major deficiency in the thyroid gland.

A rather entertaining insult used by intelligent people to describe people who won't get the meaning of the insult even after a second or third explanation.
Intellectual: "You're rather cretainous, aren't you?"
Cretin: "HUR?"
by J-FizzleNizzle November 29, 2008
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The lowest form of humanity. A person that is a waste of air. A person who is lazy and dosent contribute anything to society.
Mikey Rehmeyer is a cretin.
by cretinw January 14, 2008
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A cretin can only be described as a really dumb, moron, or idiot
although cretin sounds much more official.
The word cretin is derived from the latin kretton. Which means brainless ghoul
He is one of the biggest cretin's on this planet.
by Rasta-Clat November 14, 2004
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person inflicted with a thyroid deficiency resulting in stunting of mental and physical growth. In other words, a mentally-challenged dwarf. Derives from the Swiss French term for a Christian. You do the math.
Billy Graham est un cretin celebre.
by climber9 March 11, 2010
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A person who acts as unscrupulously as possible, which includes stealing, lying, identity theft, and more, and is too stupid to realize that everyone knows he is a cretinous weasel, and has seen through his treachery. The cretin has a very high opinion of himself and accuses anyone who disagrees with him or tries to expose him of jealousy and say’s retarded things like “Jealousy has no wings” When exposed.

A cretin uses David-Mortonism’s, or DM’s where he will quote scriptures to defend his position or crimes in a weak attempt to distract or silence people from attacking his behavior. A cretin is too simple minded to formulate his own ideas and communicate them effectively, thus resorting to plagiarism, and thievery to make up simple sentences, syntax and basic communication. A cretin is all things unsavory and distasteful rolled up into an obnoxious usually hideously disgusting ball of wasted flesh marbled blubber. Cretins should be made into low quality soilent green patties.
David M. aka DM post's stolen images from other related sights and attempts to pass them off as his own work on a routine basis. He also copy pastes text from other sites into his forum responses to start debates that he doesn't even understand himself. He uses ridiculous nonsensical terms constantly and floods forums with complete nonsense, "white noise" what a cretin.
by David Morton October 22, 2006
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"Fuck off you cretin! You're just a waste of space!"
by CS January 10, 2004
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