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22.
Word which describes a quite ugly person. Those posessing drastic and distinctively noticeable ugly characteristics will be given the title of a cretin. Word origins from the dictionary yet has been made famous by those inhabiting the King's Hospital School, particularly the members of the 5th Form.
"You know that guy Emmet Hughes"
"Ye wat about em?"
"The state of em. Absolute cretin!"
"Chyeaaaa"
by Paul Lawson February 21, 2009
 
23.
Mysterious 'bit' that somehow appears in a drink.
Person #1: Fuckin' 'ell lad there's a massive fucking cretin in me drink.
Person #2: Fuck off lad, ya ma's a cretin.
by I am the fucking law mate June 24, 2011
 
24.
Thug wannabe adolescents that present obvious stunted growth (short height, mental handicaps) from a likely deficient diet and improper mannerisms such as name calling once a safe distance away from the target.
I cretin might say:

Yo, this 50 cent is da bomb. I'm gonna go skateboard back to my crib, make a bowl of Trix cereal, and listen to dis. Hey, somebody yell "faggot" at that guy we walked past 500 yards ago.
by Nomad78 March 23, 2010
 
25.
A person who is lacking in intelligence. It comes from the word Cretan, meaning a person from Crete. In olden times, people from Crete were considered to be lacking in intelligence, and hence, Cretan was an insulting word to be called.
"No Mr Bush, I will not pull your finger.. Cretin"
by Xeychellus November 05, 2005
 
26.
Someone of the lowest possible intelligence level. Someone with an IQ of 10. At the most. Many cretins behave like veggies and can only be taught to piss themselves.
That guy's brain never fully developed past the third week of gestation and he is now a cretin.
by Big Lee March 11, 2006
 
27.
What many of the people who contribute to this website behave like.
I hate it when those cretins contribute words of foul play to this site.
by Light Joker June 01, 2004
 
28.
A obese mentally handycaped person. A person with such a retardation that they will not be able to burn of foods that have been fed to them. A real good old-fashioned insult use it well.
look at that fat dribling fuck over there a true cretin.
by Phil Whitham February 25, 2008