"Jeez, what an inbred racist bigot NAZI!!!!"--Dude #2
A political group hailing from Münich, which sought to unite all Germanic people in a thousand-year reich.
While often portrayed as "evil" by the Allies, the Nazis did NOT want to take over the world, or even Europe for that matter.
2. more recently, it has become a slang term used to described people who are overly concerned about details (in an unhealthy way), and like to correct others on every occasion they get. Especially evident on internet forums, blogs, and youtube
A - me and my friend went out yesterday
B - that's "my friend and I went out yesterday"
A - don't be such a syntax nazi