Any large, like minded group of people who make quick, knee jerk reactions based on sheltered and moronic views and are especially vocal in voicing their outrage. This can be political, religious, automotive or sports views in nature, or any other movement.
4chan's /b/ is a particularly active breeding ground for a retarded hordes.
"Did you see that 10,000 Camaro's are being built a month?" "Yeah, just wait until the retarded hordes over at Camaro5.com's message boards hear about this"
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)