Super Troops is a relatively new concept in the game of Clash of Clans and it refers to the possibility of turning common troops into Super Troops by using an option or button that is activated for a short time.
So in the game we can find superbarbarians, supergirls, Supergiants, Superwitches, Superbrompemuros, SuperGoblins, supervalkyries, each with their increased ability which makes them very convenient.