One crazy motherfucker. Someone with absoultely no common sense and no concept of life, death, and danger. It is uncommon to have a batshit insane person and extremly rare to have a batshit fucking insane person because they are usually dead.
Normal guy: Damn, the snow is really startin to accumulate, we should head home now before its too dangerous to drive.
Crazy guy: No way, i can drive though anything!
Batshit insane guy: What is it? 15 degrees? Lets go camping bitches!
Batshit fucking insane guy: LETS GET DRUNK AS HELL, CLIMB TREES AND FIND TARZAN SO WE CAN FUCK HIS SISTER!!!
Normal guy: Wow, you are truly batshit fucking insane.
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. Penguin Books,1992. p. 38)