Chiefly British Informal. pea soup(def 2).
Canadian Slang: Disparaging and Offensive. a contemptuous term used to refer to a French Canadian.
Origin of pea-souper
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for pea-souper
Historical Examples of pea-souper
On March 13 there was a tremendous fall of snow, and worst "pea-souper" we had had during the previous year.The Home of the Blizzard