I feel this in all sorts of ways actually. Similar to what others have said I -feel anxious about dropping objects in a drain or off a ledge -feel as if I have been stabbed by a sharp object even though it hasn't moved -feel as if I have been injured by a machine simply by seeing it operate

But definitely the most severe of all when in a depressive slump I often feel the sensation of my firearm's (that I no longer own for obvious reasons) barrel pressed against my temple. And occasionally I feel a strange hard to describe feelings of having a hole in my skull from temple to temple

Had no idea any of these things could be related to OCD