1. A social living arrangement where trash is carefully, and at times strategically, stacked in the bin to towering heights by the multiple tenants with the understanding that whoever topples the stack will have to take out the trash.
2. An exclamation of ridicule usually directed at the loser of garbage jenga following his or her spectacular defeat in the looming shadow of the colossal monstrosity that is the garbage jenga stack.
1. "The rent is due on the first of the month, don’t hog the hot water in the morning and if I catch either of you playing garbage jenga in the kitchen, I’m dumping it on your beds."
2. "Garbage jenga! Dude, Bryan totally owned you with his two foot house of gram crackers stack at the end. You had no chance!"