When your checking out somone discreetly and glance from the far corner of your eye. Like a pigeon
Mate there was so much talent at the pub last night. I was pigeon eyeing all night
A person that you would not typically find attractive appears to be inside the library (or any other study area), for example at a university, simply by contrast to the dullness of the content of the books or notes you are reading. On leaving and seeing the world once more in its true and full splendour, you find yourself miraculously 'sober' once more!
You see someone you regard as a '6' walks into the library - three hours and one essay later your library eyes have descended upon you, and seeing them again, they are miraculously a '9'!
When even the most repulsive people appear attractive due to an extended period of loneliness.
Jessica: "The things I would do to that guy with the ponytail."
Carmen: "Jessica, I think that's a woman. You have some desperate eyes."
An irritation of the cornea that results from exposure to the overworked air conditioning units, heaters and/or bright pharmacy-like lighting found in large shopping malls. Typically experienced by the male species when dragged to the shopping mall by their female counterparts during sales, clearances and/or any day ending with 'day'.
"Yo, did you see that sale on V-Necks?"
"Naw guy I have the WORST mall eye!"
The involuntary tearing and/or streaming of an eye that affects some drug users after insuffulating their drug of choice.
Mary: *snnnniiiiiif* I said goddamn!
John: What's wrong?
Mary: That was a big line!
John: Yeah, you've got petch eye.
The sound made by placing your palm over your eye socket and causing a vacume to occour so that when you depress your hand a fart noise is admitted as the air escapes, particularly suited to people with deep set eyes and prominent brows.