to stack many items in the fridge or freezer, especially when it initially seems that they won't all fit.
(based on the video game where you fit falling bricks together)
To excrete with such volume and vehemence but distinctly intermittent chunk formation, that to an external observer it would appear as though a very browngame of tetris is taking place.
I had a bad case of the shits on Tuesday. My ass was spitting tetris down the u-bend.