arsy-versy

 
Pronunciation: /ɑːsɪˈvəːsi/

adjective & adverb

informal
  • in a confused, disordered, or perversely contrary state or manner: [as adjective]: they got things all arsy-versy

Origin:

mid 16th century: from arse + Latin versus 'turned', the addition of -y1 to both elements forming a jingle