"You Can't Kill a Dead Man!" Is a popular martyr used in popular online video games. The Player has a key bound to kill themselves and at the same time say "You Can't Kill a Dead Man!". A Tactic used to piss off the opposing team, so they won't get the point for the kill, although in most games the person using it gets a suicide kill count, deducting a kill from their scores and adding a death.
Fogey/fogy /fougi/ sl. (early 18C+, orig. Scot) old-fashioned, stuck-in-the mud.
Person with old fashioned ideas which he is unwilling to change: Come to the disco and stop being such an old fogey!
You think me an old fogeyand an old tory, his thoughtful voice said. I saw three generations since O’Connel’s time. I remember the famine. Do you know that the orange lodges agitated for repeal of the union twenty years before O’Connel did or before the prelates of your communion denounced him as a demagogue? You fenians forget some things. (James Joyce, Ulysses. PenguinBooks,1992. p. 38)