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

BWQ
 /B?W?Q/, n.

    [IBM: abbreviation, `Buzz Word Quotient'] The percentage of buzzwords in a
    speech or documents. Usually roughly proportional to bogosity. See TLA.


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

BWQ

   [IBM] Buzz Word Quotient.  The percentage of buzzwords in a
   speech or documents.  Usually roughly proportional to
   bogosity.  See TLA.

   [Jargon File]