When one notices all the flaws and imperfections, mostly idiocy, in someone, and then begins to tear them a new one in the most thorough of fashion. Named this due to the fact its as if all of their mental retardation was in an open field and you just got it all in one place to shove in their face.
Well the whore complained about abortions and wondered why her parents didn't accept her, John couldn't help but Open get her.
When a man will search for hours to find something that is laying out in the open on a table. Items are often easily found by a women.
Man: "I have been searching for hours for keys."
Woman: "You mean the ones sitting there on the coffee table?"
Man: "Where?"
Woman: "Right there in the middle of that table."
Man: "oh, must have been Male Pattern Blindness"