Adj. Anything or anyone that is crooked, leaning, off-center, unbalanced,twisted, torn up, fucked up, drunk, stoned, or broken up very badly.
This is a very "country" word and is rarely heard outside of Georgia -until now.
I drove that truck right off the road and into a ditch. That sumbitch is way too whoopecankered to fix and is going straight to the front yard with the rest of my broken cars.
I went drinking at Cowboy's last night and got all whoopeecankered on too much Crown and Coke.