hammer handle 

a massive shit, of the type that makes a loud banging noise when it pinches off and hits the bottom of the bowl

Oh god... no more venison steaks. I just dropped a fuckin' hammer handle!

hammer handle by your mom September 8, 2003

pitchforks and hammer handles 

That's what we would say during a downpour.

It's raining "pitchforks and hammer handles". Maybe that was just a local Pennsylvania Dutch area thing.

pitchforks and hammer handles by bob4712 January 11, 2011