An unspoken admission by a pseudo-intellectual that they lost the argument. It happens when they change the topic to grammar and spelling because they couldn't win the argument on the original topic .
John: What is 2 plus 2?
Jane: 2 plus 2 equals 5 John: 2 pluss 2 does not equal 5, it equals 4
Jane: plus* not pluss
John: Your still wrong, the answer is 4.
Jane: You're* not Your.
John: Will you stop with the Grammar Nazis remarks
The idealism embodied by Grammar Nazis. Grammar Nazism is the having of both the greateststandards of all aspects of grammar and the willingness to adhere to such standards in all the one says and types.
Grammar Nazism is often confused with the art of Grammar Trolling. See tags.