piquerism n. the derivation of pleasure, especially sexual gratification, from stabbing another person. Etymological Note: From the French piquer ‘to sting or prick (someone or something).’ (source: Double-Tongued Dictionary)
feederism n. a fetish in which pleasure or sexual gratification is taken from the overfeeding or intentional fattening of one’s self or one’s partners. (source: Double-Tongued Dictionary)