1. a person who talks at great length without making much sense.North American
▪ foolish talk; nonsense:North American"politicians get away all the time with obscurantist blatherskite"
Word Originmid 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.