arse about face
Placed or arranged the opposite way to the way it should bePlaced or arranged the opposite way to the way it should be.
Meaning
2 senses(Commonwealth, Ireland, UK, not comparable, slang)Placed or arranged the opposite way to the way it should be.
No wonder it doesn't look right mate, you've got the whole thing arse about face.
(Commonwealth, Ireland, UK, not comparable, slang)Arranged in a confused or haphazard way; muddled.