monkeying

1. play around with or alter or falsify, usually secretively or dishonestlyExamples: "Someone tampered with the documents on my desk"; "The reporter fiddle with the facts"Synonyms: fiddle, monkey, tamper

2. do random, unplanned work or activities or spend time idlyExamples: "The old lady is usually mucking about in her little house"Synonyms: mess around, monkey, monkey around, muck about, muck around, potter, putter, tinker