general term to describe someone or something that has no direction or that is in a mess.
"And what’s the state of her, then, eh? Can she hold a thought in her head for two minutes? Or is she all over the gaff like mine?"
- Martin Amis, "Oktober", 7 December 2015 The New Yorker (http://www.newyorker.com/magazine/2015/12/07/oktober)