Refers to the expression of a mathematical exponent, which is both exponential and explosive in its growth, destroying the graph which represents said growth. It exclusively applies to exponential growth formulas, and may not be applied to exponential decay formulas.
The discovery of this word is attributed to the creator of the webcomic, Polygone.
"Each new level of item explodentially increases your cookies-per-second count. Math is now broken." - In reference to the online game, Cookie Clicker.