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Used in Manchester, England to mean a naughty or mischievous person, usually a child.
From "Rum one".
You want to watch yourself leaving that cake mixture where Jimmy can get his hands on it, he's a right little rum 'un.
by TheHunt January 24, 2014
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a term used alot in wisbech, fenland, and norfolk by farmery people and general pikeys/ peasnts/ commoners, which means odd/ strange or good, depending on the situation used.
he's a rumun that lad: either he is a good lad or hes a bad lad
by lawrence daniels April 05, 2006
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