A mental condition that encompasses both autism and retardation. The word was invented by the dreamy wise man of Arezium 2000 years ago in the heartland of Mongolia. Leader Batu Khan appreciated the word and its deep profound meaning so he included it in the national language.
"I'm a combination of autism and retardation. So I am the definition of Retardism" - Arezium circa. 2000 years ago