cagoterie: zealous, bigoted devotion; fla-fla: self-consciously pretentious, à la keeping up with the Jones’s, and suivez-moi-jeune-homme: (literally: follow-me-young-mans) the ribbons on women’s bonnets.
Aren't those wonderful? For those who love things about languages, check out Gail Armstrong's site. But be forewrned that if you use any of these above referenced words.... it is possible that no one will understand what you are talking about. So which is it? As the culture goes -so goes the language or the reverse? Armstrong doesn't say, but discusses bygone and obsolescent words.
And say it is not true: Gobbledegook is going the way of the Dodo bird. Noooooooo.