A word used in lieu of 'sorry' when you don't really mean it.
Generally delivered with a degree of sarcasm in it's tone. Also, eye contact with the recipient should be avoided. Perhaps even a minor eye roll would be appropriate.
A colloquial phrase common in southern New York that is often used to reference a particularly pitiful error on the part of a particularly pitiful person who may be deserving of multiple blows from a blunt, dense object, but not tough enough to take it
Ben: I made a left-hand turn and got into an accident on Central Avenue!
Gabe: Well, Ben, I think there's a no left turn sign in that particular location