It means being conscious and aware enough to choose what you pay attention to and to choose how you construct meaning from experience.
David Foster WallaceAnd make no mistake: irony tyrannizes us. The reason why our pervasive cultural irony is at once so powerful and so unsatisfying is that an ironist is impossible to pin down. All U.S. irony is based on an implicit "I donโt really mean what Iโm saying." So what does irony as a cultural norm mean to say? That itโs impossible to mean what you say? That maybe itโs too bad itโs impossible, but wake up and smell the coffee already? Most likely, I think, todayโs irony ends up saying: "How totally banal of you to ask what I really mean.
David Foster Wallace