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)
Further reading
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How and why do words from one language find their way into another? Vietnamese, for instance, includes lots of words borrowed or adapted from French. Such linguistic mixing often happens when languages brush up against each other and speakers reach...