From The Collaborative International Dictionary of English v.0.48: Batty \Bat"ty\ (b[a^]t"t[y^]), a. 1. Belonging to, or resembling, a bat. "Batty wings." --Shak. [1913 Webster] 2. Crazy; demented; loony; nuts; as, her constant gabbing is driving me batty. [Colloq.] Syn: bats. [PJC]
Batty \Bat"ty\ (b[a^]t"t[y^]), a. 1. Belonging to, or resembling, a bat. "Batty wings." --Shak. [1913 Webster]
2. Crazy; demented; loony; nuts; as, her constant gabbing is driving me batty. [Colloq.]
Syn: bats. [PJC]