Part of speech: Noun
one who is playfully mischievous
Part of speech: Noun
any of various long-tailed primates (excluding the prosimians)
Part of speech: Verb
do random, unplanned work or activities or spend time idly
Example: The old lady is usually mucking about in her little house
Part of speech: Verb
play around with or alter or falsify, usually secretively or dishonestly
Example: Someone tampered with the documents on my desk; The reporter fiddle with the facts