blatherskite
noun
[ ˈblaðəskʌɪt ]
• a person who talks at great length without making much sense.
Origin:
mid 17th century: from blather + skite, a Scots derogatory term adopted into American colloquial speech during the War of Independence from the Scottish song ‘Maggie Lauder’, by F. Semphill, which was popular with American troops.
