(colloquial) Oriented backwards, particularly after a mishap. / (idiomatic, colloquial) Hopelessly misguided; contrary to what is normal, expected, or logical; having taken the utterly wrong choice.

(colloquial) Moving backwards, that is, rear end first. / (idiomatic, colloquial) In a hopelessly misguided manner; in a manner contrary to what is normal, expected, or logical.

Alternative spelling of ass-backwards

(gymnastics) A movement in which one's body is rolled backwards, by crouching on the ground and lifting one's legs complete over one's head and lifting the head at the end.

plural of backwards roll

Alternative form of backward compliment

(UK, transitive) To have very thorough knowledge of.

plural of backwards compliment

(intransitive, chiefly finance) To reassess one's original decisions (e.g. investments) with hindsight, determining how they might have been better chosen.

To decline or deteriorate; to get worse. / (obsolete, slang) To defecate; to visit the privy.