Verb
(intransitive, Australia, Britain, New Zealand) To search for something; to rummage.
(intransitive, Australia, Britain, New Zealand, specifically) To elicit information; to ferret out. [from mid 19th c.]
(intransitive, Australia, Britain, New Zealand, specifically) To search for gems, gold, etc., on the surface or in abandoned workings.
(intransitive, British dialect) To be troublesome.
Source: en.wiktionary.org