1 definition by dr adam
An aspect or trait of one's personality that one is disowning, saying the trait belongs to a Tyler Durden, an alter ego, who therefore takes the blame. Derived from the Brad Pitt character in the movie "Fight Club."
No, I've never done heroin, but I HAVE THIS FRIEND, Tyler Durden, who shoots up in my bathroom all the time.
by dr adam June 23, 2005