Webster's 1913 Dictionary
BLATHERSKITE
BLATHERSKITE Blath "er *skite, n.
Defn: A blustering, talkative fellow. [Local slang, U. S.] Barllett.
New American Oxford Dictionary
blatherskite
blath er skite |ˈblaT͟Hərˌskīt ˈblæðərskaɪt | ▶noun a person who talks at great length without making much sense. • foolish talk; nonsense: politicians get away all the time with their blatherskite. ORIGIN mid 17th cent.: from blather + skite, a Scottish derogatory term adopted into American colloquial speech during the American Revolution, from the Scottish song Maggie Lauder, by F. Semphill, which was popular with American troops.
Oxford Dictionary
blatherskite
blatherskite |ˈblaðəskʌɪt |(also bletherskate ) ▶noun chiefly N. Amer. a person who talks at great length without making much sense. • [ mass noun ] foolish talk; nonsense. ORIGIN mid 17th cent.: 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.
The Wordsmith Dictionary