American Heritage® Dictionary of the English Language, Fourth
Edition - adj. Slang Crazy; insane. Century Dictionary and
Cyclopedia - Colic. See bot, etym. - n. Plural form of bat. - v.
Third-person singular simple present indicative form of bat. -
adj. informal Mad, insane. GNU Webster's 1913 - adj. Crazy;
insane; loony; demented; batty. - adj. informal or slang terms
for mentally irregular - From bats in the belfry. (American
Heritage® Dictionary of the English Language, Fourth Edition)
“Field wondered if the SARS virus might also be circulating in
bats, and that eventually gave rise to the expedition led by
Epstein, and the four that followed.” “Rabies is fairly rare in
bats, and they're amazing and very useful animals.” “He hit .344
with 12 homers in 195 at-bats from the cleanup spot.” “That way
they know the streets will in the none to distance future, be
safe for them and their loved ones, and they can go back to
throwing brick bats from the side lines about nasty right wing
authoritarin Police Forces,