Something you do to someone who has really wronged you, where one takes a 10 foot long piece of PVC pipe and inserts it up the Mangina of the jerk who hurt them. Sometimes, it is also necessary to put a piece of gasoline-soaked string up the pipe and light it afire.

the art of remembering an arousing occurrence or some porn you watched while masturbating, often handy if you have no porn or your in the shower