This is a term used for defining a poorly made joke, typically a racist, or sexual innuendo which brings absolutely zero amusement to the listeners. The best way to deal with such a joke is to either ignore it or call the wannabe comedian a tool and shake your head.
While playing halo you are on the yellow team and you are playing against the brown team. When suddenly one of your teammates shouts out "Hey I just killed two brown people!" This is a perfect example of the unintentional Schauermann joke. Be Wary. DO NOT ENCOURAGE. A Schauermann Joke is very contagious and if it is not slapped down in the bud it will spread.
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)