Debacle n. : A breaking or bursting forth; a violent rush or flood of waters which breaks down opposing barriers, and hurls forward and disperses blocks of stone and other debris.

Example:
What else can investors now expect after the subprime Debacle?

Taxonomy
debacle, Merriam-Webster Online Dictionary, ba, Dictionary, webster, Word Games, Webster Online Dictionary with audio pronunciations, Vulgar Latin, glossary, english, language, ESL, Search, bä, bäk, Etymology, Middle French, bacler.

Defination from the web:
debacle from the Merriam-Webster Online Dictionary with audio pronunciations, thesaurus, Word of the Day, and word games. ... Etymology: French débâcle, from débâcler to clear, from Middle French desbacler, from des- de- + bacler to block, perhaps from Vulgar Latin ...