Really? In my experience, it's been the opposite; I graduated high school in '06, and had to make a point to unlearn some of those phrases which had become habit, when it finally became clear to me how problematic that actually was. I'm seeing the same thing happen with my younger brother as he enters high school, but to a lesser degree; at least now, it feels tongue-in-cheek rather than simply ignorant. All the same, I'm trying to steer him away from it becoming habit when we game, but when all your peers use a certain vocabulary, it's a struggle.