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Batshit crazy

Posted by Pamela on November 17, 2006

In Reply to: Batshit crazy posted by ESC on November 17, 2006

: : What is the etymology of the phrase "batshit crazy" or "bat shit crazy"?

: : Does this have something to do with a malady afflicting guano miners?

: : Or is histoplasmosis or nitrate poisoning involved?

: Bats = crazy. Probably from the way they fly around in a seemingly crazy manner. I don't know how bat-sh*t crazy would have evolved.

"Boring as bat sh*t" is a very common expression which has been around for at least 20 years in Australia, although why bs would be boring I don't know. Pamela