verb play around with or alter or falsify, usually secretively or dishonestly.
— synonyms: tamper, fiddle
verb do random, unplanned work or activities or spend time idly.
— synonyms: putter, mess_around, potter, tinker, monkey_around, muck_about, muck_around
noun any of various long-tailed primates (excluding the prosimians).
noun one who is playfully mischievous.
— synonyms: imp, scamp, rascal, rapscallion, scalawag, scallywag
Examples
“He had been visiting an area zoo when a monkey swung from its tree perch, swiped his glasses and hurled them into a hippo hole.”
“Chimpanzees are known to form bands to hunt and kill other monkeys.”