He lost his job and then piled Pelion on Ossa by crashing his car.
pile Pelion on Ossa
idiomTo make a difficult situation even worse.
Origin
disputed originFrom the Ancient Greek story of Otus and Ephialtes, who piled Mount Pelion on Mount Ossa in an attempt to storm Mount Olympus.
The team was already struggling with the deadline, but the manager piled Pelion on Ossa by demanding even more changes.
By ignoring the warnings and refusing to seek help, the director only piled Pelion on Ossa, turning a manageable error into a total catastrophe.