In a pompous manner, either refuting what many
think is common
knowledge or stating an obscure fact that no
one else would know to prove your point.
When
someone says the Emancipation Proclomation freed the slaves, you respond with The Emancipation Proclomation did not free the slaves, the Union
Army did. How does a
peice of paper free anybody? (said pompously)
You have now curled this person.