1 definition by dr adam

Top Definition
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
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