thick as pea soup

Something that is thick as pea soup is typically used as anything which is very thick in texture or thickness itself. It may be referring to something with a texture similar to pea soup such as another type of soup, drink or food product with similar thickness. It can also be for an item with a lot of density, or that is thick in relation to how many inches thick it is. Occasionally it is used figuratively to describe a person who is very thick.