Jiminy Cracker Share definition Flag James Earl Carter, jr., 39th president of the U.S., by most accounts among the worst presidents in history. Jiminy Cracker is still flapping his big, ignorant yap almost on a daily basis. Jiminy Cracker by andy1 June 15, 2007 0 0 Get merch Get the Jiminy Cracker mug. Buy Now — $32.95 See more merch