spadassinicide

noun /ˌspɑd.əˈsɪ.nɪ.seɪd/

a) The act of coaxing someone, usually through insult, into initiating a swordsmans duel, and subsequently killing that person with superior skill so as to commit legal murder.

Challenges are flying right and left between these bully-swordsmen, these spadassinicides, and poor devils of the robe who have never learnt to fence with anything but a quill.

b) One who performs such an act.