Reply To: OU = MO? Home › Forums › Controversial Topics › OU = MO? › Reply To: OU = MO? March 29, 2015 10:55 pm at 10:55 pm #1070624 Sam2Participant Joseph: Presumably there is no definition of an “MO Shittah” just like there is no definition of the “Yeshivish Shittah”. That’s kinda (but not completely) my point.