an appearance of an object
not aligned the way one would expect
it to be. This is not necessarily pejorative since
could be designed or placed to be out of alignment.
"If you really want
to put a king-size bed in that small room of yours, you will
have to put it all tilty-wack just to get in and out of the room."
"That tabletop is tilty-wack. Everything
rolls right off."