Having the mental capacity to understand something that's painfully obvious to anybody else and/or has overwhelming and undeniable evidence, but deliberately ignoring it for any number of reasons. Compare willful ignorance.
Jean was presented with mountains of evidence that her husband was cheating on her, and more-or-less covered her ears and went "LALALALALA." I swear, she's engaging in selective obliviousness.
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
May I have an order of regular degular buttermilk pancakes? Without all the added jazz? Hold the blueberry smiley face, strawberry glaze, chocolate chips and whipped cream.