acroteleutic
/æk.roʊ.tɛˈlu.ɛt.ɪk/Definitions
1. noun
A rhetorical device in which a speech ends abruptly, often with a word or phrase that is the opposite of what the speaker means.
“The politician’s acroteleutic phrase ‘I love being hated so much’ was a clever way to deflect criticism from his opponents.”