Ad hoc testing is a commonly used term for software testing performed without planning and documentation (but can be applied to early scientific experimental studies). The tests are intended to be run only once, unless a defect is discovered. Ad hoc testing is the least formal test method. As such, it has been criticized because it is not structur...Found on http://en.wikipedia.org/wiki/Ad_hoc_testing
Testing carried out informally; no formal test preparation takes place, no recognized test design technique is used, there are no expectations for results and arbitrariness guides the test execution activity....Found on http://www.imbus.de/glossar/
Testing carried out using no recognised test case design technique.
Found on http://www.testingstandards.co.uk/living_glossary.htm
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