Related:

• lord high fixer n. [primarily British, from Gilbert &
  Sullivan's `lord high executioner'] The person in an organization who knows the most about some aspect of a system....
• wizard: n. 1. A person who knows how a complex piece of software or hardware works (that is, who {grok}s it)
  esp. someone who can find and fix bugs quickly in an emergency....
• wizard n. 1. Transitively, a person who knows how a complex piece of software or hardware works (that is, who groks it)
  esp. someone who can find and fix bugs quickly in an emergency....
• WIZARD n. 1. A person who knows how a complex piece of software or hardware work
  omeone who can find and fix his bugs in an emergency....
• high bit: [from `high-order bit'] n. 1. The most significant bit in a byte.
  2. By extension, the most significant part of something other than a data byte...
• dump: n. 1. An undigested and voluminous mass of information about a problem or the state of a system
  especially one routed to the slowest available output device (compare {core dump}), and most especially one consisting of hex or octal {runes} describing the byte-by-byte state of memory, mass storage, or some file....
• ee-killer: [Sun] n. 1. A printer. 2. A person who wastes paper.
  This epithet should be interpreted in a broad sense...
• mundane: [from SF fandom] n. 1. A person who is not in science fiction fandom.
  2. A person who is not in the computer industry. In this sense, most often an adjectival modifier as in "in my mundane life....
• whacker: [University of Maryland: from {hacker}] n.
  1. A person, similar to a {hacker}, who enjoys exploring the details of programmable systems and how to stretch their capabilities....