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

Open DeathTrap

    An abusive hackerism for the Santa Cruz Operation's
   Open DeskTop.  The funniest part is that this was coined by
   SCO's own developers.

   Compare AIDX, Macintrash Nominal Semidestructor,
   ScumOS, sun-stools, HP-SUX.

   [Jargon File]

   (1995-02-02)