Thus, any environmental campaign, any discussion about global warming, any case of sexual harassment, or any response to racial prejudice, can be portrayed as the irrational exponents of 'political correctness'.
politically correct people are usually self-righteous suck-ups who have nothing else better to do than make sure everybody knows how 'caring' and 'thoughtful' they are by trying to be overly polite when it is simply unnecessary.
politically correct policeman: 'you're under arrest because of racism - you're supposed to say 'man of a different superior culture' not the b word'
Understood from a Western perspective as having the same connotation as the term Double Speak in George Orwell's novel 1984, which was written as a criticism of Communism at a time when Western powers were still allied with the USSR.
This western application of the term is often misused by uneducated morons in America to justify their refusal (or inability) to learn basic concepts, correct terminology, accepted behavior or even rudimentary spelling and grammar.
During World War I, referring to German measles as Liberty Measles was considered politically correct.
Prior to the Invasion of Iraq, it was considered politically correct to assume that the President wasn't a complete idiot.