Welcome to Smogon! Take a moment to read the Introduction to Smogon for a run-down on everything Smogon, and make sure you take some time to read the global rules.
Aegislash was nicknamed "the crumbler" in gen 6 because of a notorious post / analysis where alexwolf says "click shadow ball and watch your opponent's team crumble"
but i will say this would be a great meme if it's about bane