From Longman Dictionary of Contemporary Englishone (damn/damned) thing after anotherone (damn/damned) thing after anotherSERIOUS SITUATIONused to say that a lot of unpleasant or unlucky things keep happening to you → thing
Examples from the Corpus
one (damn/damned) thing after another• Just one damn thing after another.• Then it was one thing after another, his obese stage, his alcoholic stage.• She was merely coping with one thing after another, not achieving. 