An undesirable person who is outside the mainstream, especially in the general area of social competency. You wouldn't want to go camping with a turd knocker, and you certainly wouldn't want him nailing your sister.
Although our dear president is clearly a turd knocker, Hugo Chavez ought not to call him names because our president is OUR turd knocker.
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)