(v.) To present poorly thought-out ideas, completefantasy, or sheer speculation as authoritative and indisputable.
He was known to factulate on a number of topics that he knew little about, confidently making random, incorrect statements on well understood subjects, such as seafood transportation and battery technology.
That which is abrubtly and sensibly expressed artfully. It is most probably full of hot air but is also actual. Sometimes, it stinks to hear it but it spells relief in colourful ways and usually leaves you with a wincing smile.
"Pepe LePrince is legendary because of his fartful wisdom, his salt and pepper cape and his his very honourable accent."