Definition of "mucking" []

• Present participle of muck. (verb)

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• "There's surprisingly little regimentation, too - partly because our holiday "leader" is herself a National Trust volunteer, and partly because, by virtue of being here, we are all well disposed to the idea of mucking in."
• "I'll let you decide whether said "mucking" is a good thing, but needless to say, the theory is that last year's Autumnal Fire was more Oktoberfest than Dopplebock, while the "original" recipe was definitely more "dopple", more full-bodied and complex."
• "Ernest Hemingway substitutes 'mucking' in For Whom the Bell Tolls and lets the reader substitute it back."