Rory: Do not give me that "I'm so misunderstood" Kurt Cobain-y thing.
Kurt Cobain was the lead singer of the grunge band Nirvana. He committed suicide at the age of 27, leaving behind his wife Courtney Love, lead singer of Hole, and his daughter. So later in this scene when Jess says, "So Courtney, what about you?" he's calling Rory, Courtney to his Kurt.