V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OOPS
       Object Oriented Program Support (OOP)


V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):

OOPS
       Object-Oriented Programming System (OOP)


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

OOPS

   "OOPS: A Knowledge Representation Language", D. Vermeir, Proc
   19th Intl Hawaii Conf on System Sciences, IEEE (Jan 1986)
   pp.156-157.