One who watches over your shoulder while you are on your computer, or who wanders in while you are playing video games and does nothing but watch you play.
With the 10 and 12 year olds in my house, I'm constantly shooing away a screen leech.
Looking at a friends screen while playing a split-screen game with them.
Person 1: "Dude! Stop screen peeping!"
Person 2: "I wasn't screen peeping."
Person 1: "Yeah you were. How else could you know that that was my hiding spot?"
Screen Door in Queens, also known as S.D.I.Q., is an errand that no one would possibly enjoy accompanying you on, but sometimes will anyway, out of sheer boredom.
useage:
ex.1:
"Wanna go with me to get my alternator fixed?" "Sounds like a screen door in Queens, I'm out."
ex.2:
George: I told ya. Hey, any of you guys want to come out and help me fix my father's screen door in Queens?
Jerry: Sorry, I'm fixing a screen door in the Bronx.