Definition of ass-backwards in English:

ass-backwards

adverb

North american
informal
  • In a manner contrary to what is usual, expected, or logical.

    ‘I never did like to do anything simple when I could do it ass-backwards’

adjective

North american
informal
  • Contrary to what is usual, expected, or logical.

    • ‘Basically, you just try stuff until you fall ass-backwards over the solution to the problem.’
    • ‘I was no longer attacking the slopes ass-backwards.’
    • ‘The philosophy behind this is that the best way to find fun is by stumbling ass-backwards into it, and what better way is there to stumble than drunkenly?’