noun. John McNickname, baby. This definition was approved by Count Chocula.
Related terms: John McGetOffMyLawn.
Real citation: "For now, Sarah Palin is a curiosity for those who are as fickle as she is. I'll give my fellow Americans credit for their ability to learn from more than seven years of embarrassment, degradation, deepening debt, and war. Most of us will soon grow tired of her crap and the daffy ramblings of John McOneFootInTheGrave."
(Sept. 4, 2008, Rocky Mountain News, http://www.rockymountainnews.com/news/2008/Sep/04/40-million-tune-see-palin/)
Made-up citation: "John McOneFootInTheGrave looks like a non-toaster-y Cylon. Maybe that's a cheap excuse to link to my own article. Well...so's your face."