Epic failure is a term used to describe a situation that has gone terribly wrong, often resulting in disastrous consequences. In this context, the crossword solutions DEBACLE (7 letters) and MEGAFLOP (8 letters) can be used to describe an epic failure. DEBACLE is defined as a complete or spectacular failure, while MEGAFLOP is defined as a major failure or fiasco. Both terms are used to describe a situation that has gone horribly wrong and resulted in a disastrous outcome.