Oriented backwards, particularly after a mishap.
The car spun out of control and I ended up ass-backwards in a ditch.
Hopelessly misguided; contrary to what is normal, expected, or logical; having taken the utterly wrong choice.
No wonder it doesn't work. The whole design is ass-backwards.
Moving backwards, that is, rear end first.
In a hopelessly misguided manner; in a manner contrary to what is normal, expected, or logical.
They did the whole design ass-backwards. No wonder it doesn't work.