It is rumored that its origins are in a Turkish term for "Kill", and also possibly from the Korean War when the submarine would sound an "Awwoogahhh", the Marines knew this meant battle was near, and they shortened it to "Oohrah!."
The modern Oohrah is not used as much, particularly in the Air Wing it seems. Still a great term when used appropriately, and with some heart, just like the "Devil Dog" or "motivator" term.
PFC Schmuckatelli: "Ohra (read: Errr)."
Commanding Officer of Unit: "We're leaving for Iraq on this date, are we ready?!"
Motivated Group of Killers: "OOHHRAHHH!"
2. A positive affirmation to any order or request.
3. An agreement to an order.
4. Used as a greeting or confirmation.
5. An adjective to describe something that is rugged and hardy in nature.
Platoon: Ooh rah sir!
Sgt.: Lets waste some Iraqi motherfuckers!
Platoon: Ooh rah!
That’s one ooh rah Marine.
Oohrah SgtMaj!(Fuck you dude)