From Longman Dictionary of Contemporary Englishhit/reach rock bottomhit/reach rock bottominformalWORSE to become as unhappy, unpleasant, or unsuccessful as it is possible to be My personal life had hit rock bottom. → rock bottom
Examples from the Corpus
hit/reach rock bottom• The 28-year-old mechanical engineer's fortunes took a dramatic twist midway through last season when his career hit rock bottom.• At the time, I thought one had hit rock bottom.• Confidence in the city's police force has hit rock bottom.• But this time he does seem to have hit rock bottom.• After we lost the contract, morale in the office reached rock bottom.• Joan Rivers reveals how she hit rock bottom and recovered in her autobiography.• Ogmore to Barry beach sport hit rock bottom.• As a result, hotel values hit rock bottom in 1992. 