knowledge knob

An individual who appears to know the answer to everything, or to be sufficiently well versed in the art of bullshitting to give the illusion that they do. Over time such individuals can become highly revered in society, attaining influential positions and status.

Employee 1 - "Beardie, you old fuckwitt, what does this document mean?"

Employee 2 - "Haa Harrr - fuck only knows, why don't you go and ask Mooj? He's a right old knowledge knob, and no mistake.. qualiteeeeee!"