noun phrase. A condition the Dude suffers from throughout The Big Lebowski, in addition to hey-that-guy-peed-on-my-rug syndrome and I-am-so-stoned-itis.
Real citation: “Thor encounters some flashbacks due to post-traumatic swirly disorder.”
(July 19, 2008, Brat-halla, http://www.drunkduck.com/Brathalla/index.php?p=418333)
Made-up citation: “There’s no cure for post-traumatic swirly disorder, my friend. Just eat right, get some exercise, and—I can’t stress this enough—keep your head elevated well above toilet level at all times.”