A person participating in any act of gaming, while watching the opponents screen to gain the lead as a poor advantage. Usually the person lacks skill and performance in gaming so they have to watch other peoples screens to know where they are at all times.
"Hey Ron? How the hell did you know where i was ?" "Cause i am god, ha ha , just kidding. I was watching your screen". -(me)"You have no skill man, your such a screen watcher"