n. When a person is multitasking excessively and their leg randomly shakes, twitches or moves uncontrollably. Typically occurs when there is very little time to complete said multi-tasks in. Can typically drive someone crazy, or increase inaccuracy of completing a task. Ususally occurs when the individual is working on multiple projects on a computer, hence the name "Computer Leg Dance".
When Kevin was trying to finish his Biology paper on time, his leg did the Computer Leg Dance as the clock inched towards the deadline.