Heel Heel Turn: When a villain switches sides to become a different kind of villain.
Face Face Turn: When a hero switches sides to become a different kind of hero.
Toe Heel Turn: when a character spins gracefully on one foot but falls out of the turn onto their heel and stumbles awkwardly, though sometimes the judges decide to credit such a move as a D with execution deductions anyway because they like the Americans and the Russians but not the Chinese.
Heel Ass Turn: When a villain stops being a villain, but is still a Jerk Ass.
Hollywood Ballet: Were it not for Vera Zorina in On Your Toes and Moira Shearer in The Red Shoes 1948, the earlier inaccuracies in film in regards to ballet would have their own tropes; as it stands, this would be a Deader Than Dead Horse Trope.
Stuffed Into The Fridge Logic: When you realize, belatedly, that a character you thought had lived actually died, and that this was in order to provide fridge-angst for someone else.
Face Heel Door Slam: The inverse of Heel Face Door Slam; when a good character wants to turn evil, but gets killed before it can happen, and is sadly doomed to have accomplished nothing but good with their life.
Everything's Better With The Javan Wart Snake (Or Elephant-Trunk Snake, Or Whatever You Want To Call Acrochordus javanicus), Which Grows To Six Feet Long, Spend Its Entire Life In Freshwater And Feeds Largely On Fish And Other Aquatic Animals