Filipino Flophouse
A Filipino Flophouse is essentially a "Dry-docked upper-decker". The act involves turning off the water source of a toilet, flushing the toilet to render it dry in the tank and bowl and then depositing ones excrement in the tank portion of the toilet.
"I was at some assholes house party, he was being a total prick , so I left him the the ole' Filipino Flophouse!"