Used to describe a person who is technically brilliant but can' t seem to communicate with human beings effectively. Technically it describes a machine that has lots of processing power but is bottlenecked on input-output (in 1991, the IBM Rios, a.k.a. RS/6000, is a notorious recent example). [ef="module.php?name=Lexikon&file=search&eid=1&query=Jargon File">Jargon File]