The Jargon File (version 4.4.7, 29 Dec 2003):

bogon flux
 /boh'gon fluhks/, n.

    A measure of a supposed field of bogosity emitted by a speaker, measured
    by a bogometer; as a speaker starts to wander into increasing bogosity a
    listener might say ?Warning, warning, bogon flux is rising?. See quantum
    bogodynamics.


The Free On-line Dictionary of Computing (30 December 2018):

bogon flux

   /boh'gon fluhks/ A measure of a supposed field of bogosity
   emitted by a speaker, measured by a bogometer; as a speaker
   starts to wander into increasing bogosity a listener might say
   "Warning, warning, bogon flux is rising".  See quantum
   bogodynamics.

   [Jargon File]