placing a section of PVC pipe in someone's butt, after that sticking barbed wire to the butt via PVC pipeline. in the beginning, the barbed-wire is included within the PVC pipeline. you then get rid of the PVC pipe, leaving the butt liberated to clamp down all over barbed-wire. lots of people utilize this as stimulation before, during, or after intercourse. The act of shaving your nether areas past an acceptable limit prior to participating in intercourse; this results in a 5 o'clock shadow evoking the intimate companion to feel like they're becoming punched in genitals by a cactus.