Screen looker is someone who spies on their opponents in a split screen multiplayer match. It is used to determine their location, amount of health, and carried weapons. It was an integral part of Goldeneye and Perfect Dark gameplay.
"Hahah. I won again! I can't believe I killed you with a Klobb. If you were a better screen looker, you would have seen me coming up from behind you."
A person who uses the dating app LOVOO and never gets rejected because they are considered universally attractive by all who come across their profile.
I got a date with a total Lovoo Looker, there's no way I was going to turn it down.