guanophrenia Share definition Flag From 'guano,' bat poop + '-phrenia' mental disorder. Batshit insane. Insisting that you want 'the government' to keep its hands off Medicare is one of the seven warning signs of guanophrenia. guanophrenia by PieterB March 27, 2010 0 0 Get merch Get the guanophrenia mug. Buy Now — $32.95 See more merch