When an anime decides to build you up and attach you to a character or host of characters, only to violently rip them away from you in the end of the series, leaving you with no closure. It seems Gainax has a knack for producing animes that follow this trend. Neon Genesis Evangelion and Tengen Toppa Gurren Lagaan are a few examples of gainax productions that do this, however you may use the term to describe any anime that does this. Common among mech animes.
I am afraid to watch any mecha animes... they are just going to have gainaxendings
The best ending ever in videogame history, and probably the best ending in general. As featured in The Stanley Parable and The Stanley Parable: Ultra Deluxe Edition, obtained by doing the hardest thing: stepping into the broom closet.
When your show has reached the climax of it's first chapter and is starting to get REAL GOOD but is cut off by the network. Not to be confused with "actual end," which is the real end of a story.