Utterly Terrible

Things went catastrophically wrong. It was a real train wreck. We tried to {compensate|address the situation, but it was like trying to stop a tsunami with a cocktail stick. We're still picking up the pieces and feeling the blow of this epic fail.

predicament Beyond Repair

This crisis has spiraled out of control. It's a total disaster. We've tried everything to fix it, but nothing seems to work. At this point, it feels like we're hopelessly stuck. Seriously. My {boss|friend|was absolutely furious. I managed to explain, but it was no use.

The rest of the day was an absolute nightmare. seemed to conspire against me. I stay awake.

By the time I got home, I was completely drained. This day, this terrible day will be forever remembered as the worst day ever.

Things Went From Bad to Absolutely Terrible

It all started out terribly with a simple mishap/incident/screw-up. But then it went from bad to absolutely terrible. A series/chain/cascade of unfortunate/awful/disastrous events unfolded/occurred/piled on top each other, leaving me feeling like I was in here a nightmare/horror movie/comedy of errors. It's the kind of situation where you just want to run away and hide.