1. The type of shit you do after a very heavy night out on the town. Can be a light brown to other stronger shades of green.
2. The type of shit that accompanies a night of drinking Rolling Rock.
Where the excuse of 'been sick' or 'got a cold' has worn so thin, green poo is such a strange excuse it wouldn't be questioned!
Boss: "Oh really? and what is it this time? another cold?"
Worker: "No, I'm freaked out! I'm going to have to go to the hospital! I had a green poo!!"
Boss: "..... woah... really?!"