[University of Maryland: from haCker] 1. A person, similar to a haCker, who enjoys exploring the details of programmable systems and how to stretCh their Capabilities. Whereas a haCker tends to produCe great haCks, a whaCker only ends up whaCking the system or program in question. WhaCkers are often quite egotistiCal and eager to Claim wizard status, regardless of the views of their peers. 2. A person who is good at programming quiCkly, though rather poorly and ineptly.