management = M = manged

mandelbug /man'del-buhg/ n.

[from the Mandelbrot set] A bug whose underlying causes are so complex and obscure as to make its behavior appear chaotic or even non-deterministic. This term implies that the speaker thinks it is a Bohr bug, rather than a heisenbug. See also schroedinbug.

--The Jargon File version 4.3.1, ed. ESR, autonoded by rescdsk.