Ass-backwards Definition

asbakwərdz
adjective
Of or in a way that is particularly contrary to the usual way, confusing, etc.
Webster's New World

(colloquial) Oriented backwards, particularly after a mishap.

The car spun out of control and I ended up ass-backwards in a ditch.
Wiktionary

(idiomatic, colloquial) Hopelessly misguided; having taken the utterly wrong choice.

No wonder it doesn't work. The whole design is ass-backwards.
Wiktionary

Alternative spelling of ass-backwards.

Wiktionary
adverb
(colloquial) Moving backwards, that is, rear end first.
Wiktionary
(idiomatic, colloquial) In a hopelessly misguided manner.
They did the whole design ass-backwards. No wonder it doesn't work.
Wiktionary
Synonyms: