1337Über
From sciforums_encyclopedia
1337 or leet is a particular type of sub-cultured slang revolving around internet forums, MMORPGs, chat rooms and mobile phones, meaning elite. This sub-culture can also be found rampant within the Pirate software community.
Über (although a German word meaning above or over) is often used by the community depicted above.
When applied together 1337Über has a meaning of Above or over 1337, meaning is above the head of people that don't understand 1337 speak.