LORELAI: I told him that he was completely out of line with this treatment of you, that you are not a loner freak, you have plenty of friends, and you don’t own a long black leather Matrix coat, and they should fall down on their kneesocks everyday that you deign to show up at that loser school.
The Matrix, previously discussed. The hero Neo wears a long black leather trench coat.
Also, how does Rory have “plenty of friends”? She has one friend, Lane! Getting along well with your mother’s social circle doesn’t make them your friends, as Lorelai seems to think. Lorelai has trouble accepting that she and Rory aren’t one person, but two.