Monkey
 

monkey
noun1.any of various long-tailed primates (excluding the prosimians)2.one who is playfully mischievous[syn: imp]
verb1.play around with or alter or falsify, usually secretively or dishonestly; "Someone tampered with the documents on my desk"; "The reporter fiddle with the facts"[syn: tamper]2.do random, unplanned work or activities or spend time idly; "The old lady is usually mucking about in her little house"[syn: putter]