An insult originating from the white van men of the North West of England, primarily Blackburn, meaning you're not quite right in the head, and possibly work backwards. Usually used when someone is doing something completely wrong, and it seems as though their brain works backwards.
n. A state or condition of being extremely muhfuggin pissed off, as when wondering aloud what the hell is wrong with that dressing room 'cause that shit is lookin' smalla than a decimal.
Example: "You just wanna see a nigga backwards, don't you?" - Swift of D12, "My Band"