noun. Wacky mental derangement of the batshit variety.
Related terms: cornballitude, goofballitude.
Real citation: "Also, I tend to think maybe Jonathan has a point when he says, "Grrrrrrrr!" before explaining that Hammaker's downfall was due to injuries, not the '83 All-Star Game and general nutballitude or something."
(Gregg Pearlman, "Is It Baseball Yet? Part 3," Feb. 15, 1998, http://www.eeeeeegp.com/Notes98/Feb98Notes3.html)
Made-up citation: "On the nutballitude scale, how would you rank a Scientologist, an Evangelical Christian, and a shithouse rat?"