"And when the shit hits the fan..."

I so love the idiom "when the shit hits the fan"... it's so ... vividly figurative. You imagine a ton of crap spewing from somewhere above and crashing on a giant propeller fan.

I feel this image so present at this moment of my life. I also feel like someone's breathing down my neck. 

That will do (to harden the shit and be able to scrape it off)