This potion is made by using Witches Brew + Dynamite in the cauldron. This potion can be stacked to increase its effects.
Consuming this potion will cause you to grow big ugly warts on your head & face. These warts will explode a few seconds after growing.
This is basically the same as the Warty Potion with an added explosive effect.
This Potion is spell number #95 in the potions book.