adj. (slang): A combined state of mental agitation and physical volatility. It's use may provide warning that the individual it describes has lost all self-control and cannot be reasoned with. Can refer to either a chronic or temporary condition.
by maximo hudson January 20, 2009
by Kramaus July 26, 2019
Family: "So, did he have a psychotic break? Or is he manic/depressive?"
Doctor: "No. I'm sorry. Your son is bat shit crazy."
Doctor: "No. I'm sorry. Your son is bat shit crazy."
by Brainiac March 02, 2005
John: Where's Bob?
Nick: He's been locked in his room ever since the I-pad came out. He's been browsing through the app store like a crack addict.
John: damn, he's really gone app shit crazy
Nick: He's been locked in his room ever since the I-pad came out. He's been browsing through the app store like a crack addict.
John: damn, he's really gone app shit crazy
by Oruhito June 22, 2010
by Lorraine Bates July 31, 2006
Crazy to a degree bordering on complete insanity. The state in which one makes decisions which make the exact opposite of sense.
See also: bat-shit
See also: bat-shit
by DJ Bitterbarn August 12, 2004
One step beyond just plain crazy. It is usually a temporary thing...sparked by something unexpected, or just really awful.
by ithaqua April 13, 2003