The phenomenon of a much-anticipated first date with an attractive woman which is ruined by her insistence on watching a movie in the "Twilight" series. The movies are so homoerotic that they often lead to a sudden, temporary inability to become sexually aroused.
Matt: "So how was your date with Marissa last night?"
Joe: "It was going really, really well until we watched 'Twilight'. She tried to give me a beej after the movie, and there was nothing I could do. I was totally limp; I had Twirectile Dysfunction. I think it was all the glittering men."