A corruption of German+English taken to mean something that it doesn't.

uber geek: “UE-ber geek’y” from the german word “über” meaning over and the modern term “geek” referring to a technologically inclined individual.

One who displays the qualities of a geek to an extreme amount. Many ubergeeks display internet gaming and flash lingo in their daily speech. In a room full of geeks, the ubergeek stands out, often as the most irritating and socially inept person in attendence.

A guy who spends to much time on his computer and not enough time with other people

Some kid that is a true geek.