piquerist

plural piquerists

1. One with a sexual interest in penetrating another person's skin using sharp objects (e.g. knives, nails, pins, razors).

   To classify him as a piquerist would be... too simplistic.

   2013 January 21, “Pilot”, in The Following, season 1, episode 1, spoken by Ryan Hardy (Kevin Bacon)

   2 more examples

   "The kind of person you want is a piquerist," he told me. […] "It's a pathological condition: it means the realization of sexual satisfaction from penetrating a victim by sniper activity. Or stab wounds, or even bites."

   1990, Andrew Vachss, Blossom, New York: Knopf, →ISBN, →OL

   Presumably the piquerist does not initially engage in mutual carving but begins with small stabs or piercings and eventually intensifies his/her acts to encompass carving for sexual gratification.

   2005 July 25, Eric W. Hickey, Sex Crimes and Paraphilia, Pearson Education, →ISBN, →OL, page 242