pea-souper

• peasouper

pea soup +‎ -er

pea-souper (plural pea-soupers)

1. (Britain, Canada, informal) A dense, yellowish fog, often mixed with smoke.

   I can hear the bell on the buoy, but I can't see anything in this pea-souper.

   A man bumped into a lamp post during a pea-souper; he immediately apologised to it, not realising what it was.

   • 2004, Andrea Levy, Small Island, London: Review, Chapter Thirty-five, p. 346,

     The dust surrounded us like a London pea-souper.

2. (Canada, slang, derogatory) A French-Canadian person, especially a Francophone from the province of Québec.

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