go to pot
if something such as a place or an organization goes to pot, it becomes much worse or fails because no one is taking care of it

[TahlilGaran] Dictionary of Contemporary English ▲

go to pot
to be damaged or spoilt because of a lack of care or effort.
My diet has gone to pot since the holidays.

[TahlilGaran] English Idioms Dictionary ▲

go to pot
to deteriorate
The business has gone to pot since the new manager came.

[TahlilGaran] English Idioms Dictionary ▲

go to pot
v. phr., informal To be ruined; become bad; be destroyed.
Mr. Jones' health has gone to pot.
The motel business went to pot when the new highway was built.
Compare: GO TO WRACK AND RUIN, GO TO THE DOGS.

[TahlilGaran] English Idioms Dictionary ▲