Citations:duck butter

duck-butter (hyphenated): "sleep" (eye secretions) ?

 * 1948, Stanford Short Stories, page 107:
 * "You got duck-butter in your eyes," I said to Wyatt. He rubbed at his eyes with his fist. "Where's mama?" he said. "Why ain't anybody home?"
 * 2016, Jeanne Williams, The Longest Road: A Novel, Open Road Media (ISBN 9781504036320)
 * The next week passed in a haze, though Laurie made sure Buddy&#39;s face was clean and his eyes clear of duck-butter before they went to school. Every night, she dreamed the world was ending and woke up half out of bed, wanting to run to ...

dung

 * 1998, Nathan Griffith, Husbandry: The Surest, Cheapest Way to Leisure, Plenty Prosperity, and Contentment, Plainly Illustrated
 * ... and they make a pasty-mud mess of duck butter (dung) in all places you&#39;d like to walk. They are difficult to fence and their young are nowhere near as hardy as goslings. I no longer keep them and am quite glad about it.

genital-area sweat or smegma

 * 2007, Tom Spanbauer, In the City of Shy Hunters, Open Road + Grove/Atlantic (ISBN 9781555847401), page 216:
 * Father on his back right on the cement, white hairy legs, white hairy arms, piss stains and duck butter on his shorts.
 * 2011, Carmen CaBoom, Diary of a Vindictive Closet Freak: Love, Loss, Lust and Lies, AuthorHouse (ISBN 9781467072991), page 44:
 * The worst kind, to me, are the shriveled up kind that have ash and crusty duck butter caked on them and smell bad. Just the thought of him having piss residue on his dick or even shit residue in his ass cheeks,
 * 2013, Kennedy, The Kennedy Chronicles: The Golden Age of MTV Through Rose-Colored Glasses, Macmillan (ISBN 9781250017475), page 136:
 * foot flakes, duck butter, fermunda cheese, smegano; you&#39;d need a degree in microbiology to catalog those microbes.
 * 2014, Howard Street Hudson, Nation Business: Sins of the Sons, Lulu Press, Inc (ISBN 9781304985941)
 * Sasha then gagged at the smell of duck butter wafting up to her nose, but like the true veteran that she was Sasha blocked out the rank odor and the disgusting act she was about to perform and began to suck Sping&#39;s dick.