Definition of "stercoraceous"

He had reason to believe the stercoraceous flavour, condemned by prejudice as a stink, was, in fact, most agreeable to the organs of smelling.

1771, Tobias Smollett, Humphry Clinker, Penguin Classics, published 1985, page 46

I made £150 by Alton Locke, and never lost a farthing; and I got, not in spite of, but by the rows, a name and a standing with many a one who would never have heard of me otherwise, and I should have been a stercoraceous mendicant if I had hollowed when I got a facer, while I was winning by the cross, though I didn't mean to fight one.

1856 May, Thomas Hughes, quoting Charles Kingsley, “Prefatory Memoir”, in Charles Kingsley, Alton Locke, Tailor and Poet. […], London: Macmillan and Co., published 1876, page lvi

[W]e find it hard today to see the entertaining aspects of, for instance, stercoraceous jokes.

1988, Peter Wagner, Eros Rising, Paladin, published 1990, page 182