argumentum ad passiones

[ärgyo͞omĕnʹtəm ăd păsĭōʹnēz, IPA: /ɑːɡjuːˈmɛntəm æd pæsɪˈəʊniːz/]
argumentum ad passiones (plural argumenta ad passiones)
(rhetoric) An appeal or argument intended to convince the listener(s) by agitating the emotions, rather than by appealing to sober judgment.