12 letters · 21 points in Scrabble
noun foolish gibberish
originFrom blather + skite (“shit, shite”). 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 cheapskate.
Etymology from Wiktionary, CC BY-SA 3.0