Any character in a videogame that won't happen but fans really want, it is an expectation from an aggresive fandom that's doomed to fail because it's simply to difficult to make work
Person 1: I'm really excited for when they'll announce Abbacchio in JoJo's Bizarre Adventure: All Star Battle R
Person 2: The dream of Leone Abbacchio is long dead brother, he was already said to be impossible before
To do something purely for the prestige that comes with it.
I.e. language learning
Guy 2: "I am learning Esperanto"
Guy 1: "You know that it's a horrible language, right? You're just presting."