pea-souper

noun2

1. •
   (UK, informal) A dense, yellowish fog, often mixed with smoke; a pea-soup fog, a smog.

   • A man bumped into a lamp post during a pea-souper; he immediately apologised to it, not realising what it was.
   • I can hear the bell on the buoy, but I can’t see anything in this pea-souper.
2. •
   (slang, offensive) A French-Canadian person, especially a Francophone from the province of Québec.

   • Those pea-soupers are the worst drivers on the road!