blatherskite

Etymology
From. Alternatively the Merriam-Webster Online Dictionary asserts that the word is of Scottish origin, with blather/blether + skate referring to someone who is "contemptible". First use of the term dates to the mid-17th century. Compare.

Noun

 * 1) A voluble purveyor of nonsense; a blusterer.
 * 2) A worthless fellow; a deadbeat.
 * 3) Nonsense or blather; empty talk.
 * 1) Nonsense or blather; empty talk.