A total mess, with those ultimately responsible for creating it uninvolved in clearing it up.
Although it can be used as a humorous and politically related drop-in replacement for pig's breakfast, pig's brexit has the added implication that those implicated for the omni-shambles have disimplicated themselves from dealing with its consequences â or been disimplicated from doing so â which makes pig's brexit more of a hit-and-run than simply a pig's breakfast.
I can't believe he made such as pig's brexit of the party booking. No food, no booze and the place was a dump. He didn't even turn up!