The next morning is characterized by sore backs and necks, poor quality of sleep, and at least two people hooking up.
A floorgy is a great way to enjoy the entertainment of something like a movie, with a large group of people. Then general closeness of people bypasses the possible awkwardness of displays of affection.
Floorgies may not be a good idea in a group of friends that aren't comfortable with eachother, or with homophobic people, so careful discretion when deciding to have a floorgy is required.
Ex 2) "Hey Mark, we should have floorgies at your house more often, they're super fun!" "Sure Ryan, let's invite many girls and have one right now!" "Super awesome!"