A large (fat or manly) female that mingles with a group of incredibly attractive women in night clubs. The battle pig will scare away men attempting to interact with the attractive females. The only way to bypass the battle-pig is for a self-sacrificing man to offer himself to the battle pig so that his friends may get close to the attractive females.
Dude, I can't get with that chick with the battle-pig in the way.
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)