British informal phrase meaning to pitch in and help with a task, especially dirty or unpleasant work, or to share space and resources without complaint. Carries a positive, communal spirit — mucking in is what good teammates do. Often heard in working-class or military contexts where collective effort is valued over individual preference.
When the floods hit, everyone in the village mucked in to clear the debris from the road.
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(informal, UK) To join in with work.
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(informal, UK) To share in.
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Regional slang from around the English-speaking world — British, Australian, Irish, Caribbean, Nigerian, Filipino, AAVE, and the hyphenated-English dialects that make the internet sound local.
See all Regional & Other slang on Slangora.