pea-souper

Meanings

1. A dense, yellowish fog, often mixed with smoke; a pea-soup fog, a smog.
2. A French-Canadian person, especially a Francophone from the province of Québec.

Etymology

From pea soup + -er (suffix meaning ‘person or thing connected with’); * (dense, yellowish fog”): from the appearance of the fog * (French-Canadian person): may be from the prevalence of pea soup in French cuisine: compare pea soup (“(slang, derogatory) French person”).