The act of getting high through boiling shampoo and inhaling the poisonous gasses omitted. This, when inhaled for five or more minutes, can cause hallucinations as well as other sensations. It is also known as Bubbling and Shamming.
When a kid from northern PA takes a shit on an ice cube tray freezes the shit then puts the cubes in a friend's asshole whilst trying to light the cubes like coal
Dominic got tired of Duncan's crap so he gave him a shamokin coal mine
The act of inhaling the fumes of boilingshampoo for the purpose of getting high.
I always thought my girlfriend bought too muchshampoo, but I didn't realize she was shamboiling behind my back. Now that both of us are doing it, she can buy as much shampoo as she wants!