an adjective used to describe a person who is awesome, talented, cool, hip, or someone who did something excellent. It came from Friedrich Nietzsche's vision of an ideal Man who was able to achieve self-actualization, and has developed himself holistically.
guy 1: that was one hell of a performance, bro.!
guy 2: yea, I totally nailed it!
guy 1: you're so Übermensch!
guy 2: thanks!
Neil Patrick Harris is such an Übermensch actor!
Raffaello Sanzio is the Barney Stinson of the Renaissance world. He's Übermensch!