go to the dogs
US /ɡoʊ tu ðə dɔɡz/
UK /ɡoʊ tu ðə dɔɡz/
1.
to deteriorate in quality; to become ruined or worthless
:
•
After the new management took over, the company really started to go to the dogs.
•
His health has really gone to the dogs since he stopped exercising.