3 table spoons of citric acid
6 table spoon baking soda
1 table spoon corn starch
1 table spoon granulated sugar
mix dry ingredients into a bowl and when well mixed together you spoon it all into your subjects ass and plug it with your finger.
Open a can of rootbeer or orange soda and poor about a quarter of the can into your subjects ass and quickly place your finger or other object into subjects ass until you feel the pressure and release and enjoy.
Warning

Not recommended or safe and this is educational information only.
