Something visually boring - to the point of your eyes losing focus - that numbs your brain.
A sermon from dad elicits the "in one ear and out the other" response while a friend's boring home movie gets an "in one eye and out the other" reaction.
Eyes (mostly on a female), that makes one think of a blowjob. Mostly known from different pornographic movies, where a girl is on her knees, giving a blowjob while looking the guy in the eyes.
Kasper: "Oh my God check out that girl!"
Mark: "Wow! Let's wait till she turns around."
*girl turns and bashes eyelids*
Kasper: "She's even got porno eyes :O!"
Mark: "She completes me" :x
You cannot imagine how difficult it is to hold a half gallon of moo juice while polishing the one eyed gopher when you're doin' seventy-five in an eighteen-wheeler
The distinctive vacuous look on a gay man's face when they are desparately looking for the next fuck. Usually the eyes are wide opened and the lips slightly pouted. You can see from a mile that they can't wait to have a big cock up their arses, or in their mouths. In severe cases, the subject will develop a slight tremor or hiccups when a potential target appears.
Daffid said to his best friend Ross. "If you continue to look for slutty boyz to fuck, you'll end up having an empty life with penis eyes on your puss."
Derek Mincing said to Leonard "How very very dare you! You took me to this club where all the men here have penis eyes. I find you......impertinent!"