I used to do a tamer version of this. When I was a student in halls I’d start flat parties by wedging myself between th ewalls of the narrow hallway, feet against one wall, back against the other, and working my way up until my head hit the ceiling. Then I’d just stick there with a bottle of Thunderbird (which tasted awful until you were quarter way through the second bottle, after which point you just didn’t care) for as long as possible.
HouseGymnastics page