noun. The unique niche in society—or perhaps the bus station—occupied by a cuckoo-bananas nutjob.
Related terms: fucknut, fucknuttery, fucknutish.
Real citation: "No idea , I don't bother with that one, he just seemed like a good candidate for fucknuthood :p"
(Raven, June 21, 2004, http://groups-beta.google.com/group/alt.games.champ-man/msg/bf4e20c125d81758?hl=en)
Made-up citation: “On one side of my family, fucknuthood is rampant. On the other side, lots of folks have worked for the post office. Now you know why I’m a serial killer with many wacky quirks.”