The various journals of folklore, etc. round my unlettered parts only cover the various and splendid dialects of the UK, none of which include the Gwine subculture.

Narrow-minded squeamish censors? That's a good one. How about "political correctness gone mad" as an alternative cliché?

As Lenny Bruce once said, in his take on Negro Spirituals: "I'm gwine to heaben. And de first t'ing I'm a-gonna do is find out what a "gwine" is".