For a little while, it was possible to throw EZ-Thro Dynamite into pools in World of Warcraft and watch a bunch of debris float up, which you could then loot. It was removed shortly afterwards, but that doesn't sound like a bug. That's a bit of code that shouldn't be running - a feature that was implemented too early. Dynamite fishing in Cataclysm, eh?
This looks like the kind of thing a Goblin would get up to. Why bother waiting for a fish to run into a hook when you can invent something that efficiently disperses shrapnel into every fish within a given radius?
[via El's Professions ]