1. (noun) A person with an IQ of lower than 60, who have ineptitude learning at school as well as communication, problems performing basic everyday tasks, and problems socially with people of similar age.
2. (noun) The insult used to describe such a person in definition 1, or anyone just acting or talking
stupid, whether they fit the medical diagnosis of "mentally
retarded" or not.
3. (noun) Most posters on Blabbermouth's heavy
metal news website and messageboard.