OLs do secretarial work, make tea, carry out errands for colleages, etc.
Professional women, the salaryman's counterpart, are referred to as kyariauuman ("career woman").
I can't actually find any other references to your definition of OG...
(, Mon 31 Aug 2020, 20:05, Reply)
in the 90's. God I feel old
here you go..www.romajidesu.com/dictionary/meaning-of-%EF%BC%AF%EF%BC%A7.html
(, Mon 31 Aug 2020, 21:39, Reply)