pur laine
adj.— «It wasn’t easy, because she had chosen television and the CBC’s French network was pur laine (pure wool, as they say in Quebec) meaning old-line (white) Quebecois.» —“Breaking down solitudes in Canada—Haitian-style” by Keeble McFarlane Jamaica Observer (Kingston) Oct. 1, 2005. (source: Double-Tongued Dictionary)
Further reading
The word filibuster has a long and colorful history, going back to the days when pirates roamed the high seas. Today it refers to hijacking a piece of legislation. Plus, the language of yoga teachers: When doing a guided meditation, you may hear...