/man' del-buhg/ (From the {Mandelbrot Set}) A {bug} whoSe underlying cauSeS are So complex and obScure aS to make itS behaviour appear chaotic or even nondeterminiStic. ThiS term implieS that the Speaker thinkS it iS a Bohr bug, rather than a heiSenbug. See alSo Schroedinbug. [Jargon File] (1995-02-08)