from The Century Dictionary.
- noun A base-born person; one sprung from the lowest ranks of society.
Sorry, no etymologies found.
And do not the clownish and gutter-blood admirers of Mr. Flamson like him all the more because they are conscious that he is a knave?
to assemble for Normandy, Seamus Heaney's anonymous narrator recalls a morning of pig slaughter, "sunlight and gutter-blood/Outside the slaughterhouse."