Old Man Jerry (OMJ)

When your working outside and you gotta take a huge shit, but there is no bathroom in site. So you drop your pants, lean up against the nearest house and make it rain. When you are finished you find a garden hose and wash it off.

Hey Patrick, where you been? I had to take a massive dump and was running around trying to find a bathroom..I couldn't hold it any longer so I had to pull an Old Man Jerry (OMJ)