hit/reach rock bottom

hit rock bottom

The reach the lowest or worst point of a decline. I knew I had hit rock bottom when I missed my son's birthday party because I was so hungover. That's when I knew I needed to get help. It's been falling in price for weeks, but I think the stock has finally hit rock bottom.
See also: bottom, hit, rock
Farlex Dictionary of Idioms.

hit rock bottom

or

reach rock bottom

COMMON
1. If something hits rock bottom or reaches rock bottom, it reaches an extremely low level where it cannot go any lower. The UK motor industry had one of its worst days yesterday as new car sales hit rock bottom. This is a good time to buy a house. Prices have reached rock-bottom in most areas. Note: You can also say that something is at rock bottom. Morale within the company was at rock bottom. Note: People often talk about rock-bottom prices, meaning extremely low prices. He has been buying property at rock-bottom prices.
2. If someone hits rock bottom or reaches rock bottom, they reach the point where they are so unhappy and without hope that they could not feel worse. When my girlfriend left me, I hit rock bottom. Sometimes you have to reach rock bottom before you can start to recover. Note: You can also say that someone is at rock bottom. She was at rock bottom. Her marriage was breaking up and so was she. Note: This expression comes from mining, and refers to the layer of rock that is reached once the supply of minerals being taken from the mine has been used up.
See also: bottom, hit, rock
Collins COBUILD Idioms Dictionary, 3rd ed.

hit/reach ˌrock ˈbottom

,

be at ˌrock ˈbottom

reach or be at the lowest point or level that is possible: Demand for new cars is at rock bottom. This month’s sales figures are the lowest in ten years. I really hit rock bottom after my marriage broke up. ▶ ˌrock-ˈbottom adj.: For rock-bottom prices, come to McArthur’s Furniture Store.
See also: bottom, hit, reach, rock
Farlex Partner Idioms Dictionary
See also:
  • hit rock bottom
  • reach (rock) bottom
  • touch (rock) bottom
  • touch bottom
  • hit bottom
  • shitshow
  • the very thing
  • just the thing
  • very thing
  • very thing, the