Pyschophobia Share definition Flag The phobia of looking behind the shower curtains before doing something in the bathroom. After I saw the movie "Psycho" I looked behind the shower curtains for weeks! I had Pyschophobia. Pyschophobia by Phantom1165_YT July 26, 2016 0 0 Get merch Get the Pyschophobia mug. Buy Now — $32.95 See more merch