Subhuman life forms that dwell in The Shire.
Can usually be found wearing a wife basher, smelling like shit, speaking in an incoherent drawl, waiting in dole queues, swearing at their flock of bastard children, and yelling straya and passers by.
John: I was bitten by some dirty Shire Rats last night.
Jane: You should get tested!
John: Look, some Shire Rat is beating his wife on his front lawn.
Jane: Fucking filth. They are an embarassment to this country.