brain-damaged

from Jargon File (4.4.4, 14 Aug 2003)
brain-damaged
 adj.

   1. [common; generalization of "Honeywell Brain Damage" (HBD), a
   theoretical disease invented to explain certain utter cretinisms in
   Honeywell {Multics}] adj. Obviously wrong; {cretinous}; {demented}.
   There is an implication that the person responsible must have suffered
   brain damage, because he should have known better. Calling something
   brain-damaged is really bad; it also implies it is unusable, and that
   its failure to work is due to poor design rather than some accident.
   "Only six monocase characters per file name? Now that's
   brain-damaged!"

   2. [esp. in the Mac world] May refer to free demonstration software
   that has been deliberately crippled in some way so as not to compete
   with the product it is intended to sell. Syn. {crippleware}.
    
from The Free On-line Dictionary of Computing (8 July 2008)
brain-damaged

   1. [generalisation of "Honeywell Brain Damage" (HBD), a
   theoretical disease invented to explain certain utter
   cretinisms in Honeywell {Multics}] Obviously wrong; cretinous;
   {demented}.  There is an implication that the person
   responsible must have suffered brain damage, because he should
   have known better.  Calling something brain-damaged is really
   bad; it also implies it is unusable, and that its failure to
   work is due to poor design rather than some accident.  "Only
   six monocase characters per file name?  Now *that's*
   brain-damaged!"

   2. [especially in the Mac world] May refer to free
   demonstration software that has been deliberately crippled in
   some way so as not to compete with the commercial product it
   is intended to sell.  Synonym {crippleware}.

   [{Jargon File}]
    

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