I was told it means "You fish on your side of the lake, I'll fish on my side of the lake, and nobody fish in the middle". The original sign for this lake is hanging in the basement of a certain fraternity house I know. Pilfered many years ago. When I was a pledge, I was forced to remember how to pronounce the damn name and describe what it meant ad infinitum.
Where is the control group? They interviewed thousands of teens and tried to link cannabis use and mental illness. Pardon me if I am wrong but correlation does not equal causation. In fact, many mentally ill people self medicate with cannabis to alleviate the symptoms of their disorders. Know what's harmful? Alcohol.
They actually look something like bird calls. The parts are rubbed together to make a chirping sound. Maybe that's why the guy's face looks like a cat?
Oh, and correlation is not causation. Logic FTW!