In reply to: Does any remember what the letters TDG mean? posted by foxrocks
The reference is to the Sopranos, and Tony's assertion that his mother was "dead to him" during the second season. To most posters, Doherty is "dead to us" because of things done and said during and since his exit from ND after one season.
The reference was "officially" retired in the summer of 2001, but still gets used occasionally.