So don't say it if you don't want to sound like a freak who trys to hard to sound profound and different.
Weirdo punks emos goths and freaks who actually try to classify there lives by these above titles use this word because they have no life and want to sound like they do.
"Paul was such an uber person. Now let me go back to my computer so I can reemerse myself with my sketch little online friends."
(2) Became popular in the american language through its occurence in a phrase of the old nazi-time german anthem, re-used by punk bands ("california über alles")
(3) Is now used as a substitute for "really" or "very" etc.
(2) "...Deutschland über Alles..." (Germany above All Things)
(3) This website is über-informative