2 definition by Lorraine Bates

Top Definition
Acting in a generally insane manner; Tom Cruise.
When Tom Cruise jumped on Oprah's couch, he proved he was bat-shit crazy.
by Lorraine Bates July 30, 2006

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A huge step higher than just plain old bat-shit crazy; Britney Spears
"Tom Cruise may be bat-shit crazy, but that Britney Spears is ape-ass, bat-shit crazy!"
by Lorraine Bates January 14, 2008

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