"The car spun out of control and I ended up ass-backwards in a ditch."
°Hopelessly
misguided; having taken the utterly wrong choice.
"No wonder it doesn't work. The whole design is ass-backwards."
verb
°(colloquial) Moving backwards, that is,
rear end first.
°In a hopelessly misguided manner.
synonyms:
put the cart before the horse