To espouse a personal opinion or belief without relation to sourced facts or verifiable observations. To backslappingly foist your opinion on others in a jovial, manipulative way, disrespectful of objective truth.
His boosterism, devoid of facts, shows that he has no respect for objective truth or other fact based premises.
Ruler of Lake Titicaca. Rumored to have a bunghole that gets very angry if it does not receive toilet paper. Cornholio the Great is often seen walking around with his shirt over his head and his hands in the air, chanting songs about his power, and his bunghole.
"I am Cornholio! You do not want to face the wrath of my bunghole, for I need TP!"
Butthead: Shut up, Beavis! (uh huh huh huh)
Beavis: Um, okay. (heh heh heh heh).