A state of being that can - very commonly - generate a state of trance known commonly to bros everywhere as 'booty blindness', or in layman's terms, 'tunnel vision'.
The word stupidiness is a variation of the word stupidity. It was first used on accident by a person who cannot speak English properly (obv.) Use of this term has become a way to make fun of the person who first uttered it.
The inability to play games on consoles with controllers in an effective way to maneuver through the game without mind-boggling amounts of frustration. This affliction is mostly common for PC gamers who have grown accustomed to keyboard/mouse gaming using WASD controls. The most common video-game genre affected is first-person shooters.
My stupidfingeritis prevents me from enjoying FPSgames on consoles.
Boys who enjoy yaoi (a genre in Japan that contains sexual and/or romantic relations between two men); literally translates to "rotten boy"; corresponding female : fujoshi