The act of storing frozen goods in a freezer in order to maximize space, esp. when a large quantity of perishables must be stored in a smaller refrigeration unit.
Like the Nintendogame from which the term was derived, Freezer Tertis involves shifting and rotating boxes of frozen goods in order to fill any empty spaces.
Um, we're going to have to playFreezer Tetris if you want to fit all of this stuff in there.
The act of arranging bacon strips on a frying pan in the most efficient way possible given the dimensions of your pan. The goal is to maximize the number of bacon strips on the heating surface without leaving any part of any strip uncooked.
I have 100 square inches of bacon and only 36 square inches of frying pan area. Time to play bacon tetris.
The act of rearranging your misshappen boxes in your moving trailer, attempting to acheive optimal packing density.
"aw, shit, look at all the stuff we gotta fit in here. We're going to be playing trailer tetris in no time".
"yeah, do do do doo, man.. <tetris theme>".
When driving a Prius, you can view a bar-graph of your fuel consumption over the past 30 minutes. A "prius tetris" is when you go five consecutive minutes (or more) at 99.9 miles per gallon. This shows on your bar-graph as a long, straight bar, similar to the four-high bars in Tetris.
No wonder you don't need any gas! You're always getting a prius tetris!