Dictionary.com
Thesaurus.com

arsy-varsy

American  
[ahr-see-vahr-see] / ˈɑr siˈvɑr si /
Also arsyversy

adjective

  1. wrong end foremost; completely backward.

    an arsy-varsy way of doing things.


adverb

  1. in a backward or thoroughly mixed-up fashion.

    The papers are all filed arsy-varsy.

Etymology

Origin of arsy-varsy

1530–40; probably alteration of Latin vice versa ( vice versa ), with arse substituted to make a facetious rhyming compound; for Latin versa > varsy, argal 2