a) where you can't make a decision ... usually because there is too much information to process
b) where you can't even get a grip on a problem because it is beyond the scope of your brain.
Mike - Oh? Too bad. Was it from gut rot from that jalepeno shrimp or brainspin from your BCP exercises at work??
Diane - Definitely brainspin. I just can't get a handle on the whole BCP thing. It is sooooo complicated.
Mike - Why don't you just past it off to your boss? Let him handle it?
Diane - Are you kidding!?!? He's such a PHB, he tries to divide by zero. This would brainspin his head right off his shoulders.