muck in
verb
(intr, adverb) British slang to share something, such as duties, work, etc (with other people)
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How are “scum,” “sludge,” “slush,” “slime,” “ooze,” “muck,” “mire,” “goo” and “gunk” different?Toxic red sludge poured into a Hungarian village this week after a dam containing the chemical residue from an aluminum plant burst. At least four people were killed and dozens injured. The sludge continues to flow and threatens to contaminate the Danube River, one of Europe’s major waterways. This tragedy poses a linguistic puzzle that, hopefully, can help us better describe the type of environmental horrors that seem to …
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition
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