Upperdecking - This one takes practice. This maneuver requires a toilet with a tank above it, like the ones in most homes. Instead of crapping in the bowl, you shit in the tank (i.e. upperdecking). Now don't flush. When the following victim flushes, the rancid waste fills the bowl. If you play your cards right, it may ferment
Seal the Envelope - When hooking up with a really drunk girl and she passes out before you cum, turn her over and blow your load all over her ass crack. When it drys, it will seal her butt cheeks together and she will have to pry them open the next day - hence, sealing the envelope