Coo-Coo business

Invented by the man, the myth, the legend, Clink123, this phrase is used to symbolize an act in which is performed is considered stupid, without-thought, or careless. Commonly used when this act is done purposely, or thoughtlessly.

"Quite Frankly, this is shameful! I'm trying to Calculate these scores and we have people here doing Coo-Coo Business!