Come from the words uber (meaning: huge, large, stupendous) and tool (meaning: nob, penis, prick). If someone is an ubertool, they are a huge prick.
Wow. He's such an ubertool.
by Jodie Lee January 10, 2006
one who drives an oldsmobile alero
hey look at that ubertool in his alero
by mother bersch December 03, 2003