hit bottom v. phr.,
informal 1. To be at the very lowest.
In August there was a big supply of corn and the price hit bottom. When Johnny failed the exam his spirits hit bottom. 2. To live through the worst; not to be able to go any lower.
After all their troubles, they thought they had hit bottom and then something else happened. When they lost all their money they thought they had touched bottom and things would have to get better. [TahlilGaran] English Idioms Dictionary ▲