....leg shaking sons of bithces

Ok so this is defiantly something that can piss me off at times. You know when you are sitting in class and then all of a sudden an earthquake hits! So you run and duck for cover under the desk. While under there you notice that it's not an earthquake it's some one involuntarily shaking their leg! Now this drives me nuts, I can't stand this, if for some reason your leg is shaking hard and or fast enough that it moves the whole table, and then you need to get some pills for RLS or something, switch positions do something to stop the god damn shaking! If your shaking makes my mug bounce across the table then you have a serious problem, you're like a fucking dog that is getting scratched in that very special spot of his and his leg just goes nuts against his will! Sometimes this isn't involuntary; sometimes people do it because they are bored or focusing really hard on a test and all that energy that they have built up go strait to their leg! So to all you leg shaking sons of bitches that do it on purpose or not, FUCK YOU.
Video of what i am talking about, yes you can find anything on youtube. http://www.youtube.com/watch?v=f483gtXyvYk