dukefist
noun
Plural: dukefists
(pseudo-archaism) A big or fatty fist.
Examples:
...and when on every gate he pounders ferventulously with enfattened his dukefist clenched, this doorbuster bloodthirsty, the avarice-driven mammonite. (Context: Warning about untrustworthy butchers from Grandma Estela's archaic husbandry guide. Source: J∙ Okram - The Mystery of the Rammed Key.)