Definitions by PissBot9000
Stacking
When a group of 2 or more people sit on each other's laps over a toilet and piss together.
(Although it is usually practised with piss, the person on the bottom of the stack could theoretically poop, as well, though it would be rude for someone higher in the stack to do so)
(Although it is usually practised with piss, the person on the bottom of the stack could theoretically poop, as well, though it would be rude for someone higher in the stack to do so)
Stacking by PissBot9000 January 4, 2022