1. Someone who, in the MMOFPS PlanetSide, breaks out the anti-aircraft weapons and takes control of the skies.
2. Me when playing PlanetSide :D
P.S. I made it up! w00t!
1. 1337G4M3R: d00d that sky nazi just blew up my fcuking liberator!
2. When in my AA MAX, I'm a total sky nazi.
In the airline aviation community, this is a somewhat derogatory nickname given to an American Airlines pilot.
"The Sky Nazis voted down their new contract."