Things went catastrophically wrong. It was a real train wreck. We tried to {compensate|handle the situation, but it was like trying to stop a blizzard with a cocktail stick. We're still picking up the shards and feeling the impact of this unmitigated catastrophe.
scenario Beyond Repair
This problem has spiraled out of control. It's a total disaster. We've tried anything to fix it, but nothing seems to be effective. At this point, it feels like we're hopelessly stuck. Seriously. My {boss|mentor|was absolutely furious. I attempted to explain, but it was a complete disaster.
The rest of the day was absolutely horrendous. Everything. I get anything done.
By the time I got home, I was physically and emotionally wiped out. This day, this atrocious 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 everything 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 Very bad in a nightmare/horror movie/comedy of errors. It's the kind of situation where you just want to scream into a pillow.