blivet

[allegedly from a World War II military term meaning "ten pounds of manure in a five-pound bag"]

1. An intractable problem.
2. A crucial piece of hardware that can't be fixed or replaced if it breaks.
3. A tool that has been hacked over by so many incompetent programmers that it has become an unmaintainable tissue of hacks.
4. An out-of-control but unkillable development effort.
5. An embarrassing bug that pops up during a customer demo.
6. In the subjargon of computer security specialists, a denial-of-service attack performed by hogging limited resources that have no access controls (for example, shared spool space on a multi-user system).

   This term has other meanings in other technical cultures; among experimental physicists and hardware engineers of various kinds it seems to mean any random object of unknown purpose (similar to hackish use of {frob}). It has also been used to describe an amusing trick-the-eye drawing resembling a three-pronged fork that appears to depict a three-dimensional object until one realizes that the parts fit together in an impossible way.

   [blivet.png]

   This is a blivet

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