A severely
intellectually challenged person with an obnoxious greedy, anti-social
personality.
Thought to derive from an abbreviation of the Lancastrian term "Mawdesley Retard" which describes
mentally deficient people from the socially isolated, lifeless, snob infested grief-hole of Mawdesley in Lancashire, England.
Word derives from a punishingly bleak, socially isolated, inbred snob backwater in Lancashire, UK called Mawdesley.