I was just going to say, you asked, you have the right answer, THE EXPERT has spoken. It is used in terms of turning the ship 180*. If such a move was made, you'd hear announced, "PREPARE TO COME ABOUT!!". It is not a gentle turning of the ship.

On the rescue/salvage ship I am a plank owner of, we'd list so far over you could stand on the bulkhead with both feet.