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1.
A person who, when some people are playing a split screen video game in which the object is to kill everyone else, and somebody looks at another's screen to see where he is and then ambushes him/her.
R Plant: The only reason you killed me was because you looked at my screen.
Bon Scott: No way!
R Plant: Screen hopper.
by joecool 227 August 26, 2009
 
2.
A person who watches the screens of other players while playing a first-person shooter (FPS).
That guy only wins because he's a screen hopper
by the blue team October 16, 2006