a computer know-it-all that spends every waking hour programming, coding or designing operating systems; a chronic computer geek that finally looks up from his computer to discover that a year has passed and he is wearing the same sweaty underwear
Matt: "Patrick may work at Microsoft but at least he has a life and does other things. On the other hand, there is Sweat Pete. He is a chronic knowbot: his computer chair smells like ass and he is surrounded by hundreds of empty Dorito bags. He never leaves the computer even to piss. Ya, those pop cans are full of you know what.
Dave: "What a fucking loser!"