adjective, bat·ti·er, bat·ti·est. Slang.
Origin of batty
Examples from the Web for batty
It should go without saying that his ideas about how to fight poverty are as a batty as they come, completely driven by ideology.
And the two of us say that paying college athletes their "fair-market value" is a batty idea.
Guess I must have sat there, starin' bug-eyed and lookin' batty, from 14th to Wall.Torchy|Sewell Ford
Batty Smith was awarded one and a half year's imprisonment, and appealed against his sentence.The Escaping Club|A. J. Evans
Dr Batty, of Kirby, who was called in, did not consider the type of fever to be alarming or dangerous.A History of Epidemics in Britain, Volume II (of 2)|Charles Creighton
Indeed, I will at once compel Mr. Batty to contradict the report which is afloat.Grace Darling|Eva Hope
Near Batty Bay they were caught in the ice-pack two miles from land and their fate was for a time doubtful.True Tales of Arctic Heroism in the New World|Adolphus W. Greely
adjective -tier or -tiest slang
Word Origin for batty
1580s, "pertaining to bats," from bat (n.2) + -y (2). Slang sense "nuts, crazy" is attested from 1903, from the expression (to have) bats in (one's) belfry, also meaning "not be right in the head" (1899).