balderdash

1. (archaic) A worthless mixture, especially of liquors.Examples: "[T]hey would no more liue vnder the yoke of the Sea, or haue their heads waſht with his bubbly ſpume or Barbers balderdaſh, [...]"; "1637, John Taylor, Drinke and Welcome, London: Anne Griffin, “Beere,” Indeede Beere, by a Mixture of Wine, it enjoyes approbation amongst some few (that hardly understand wherefore) but then it is no longer Beere, but hath lost both Name and Nature, and is called Balderdash (an Utopian denomination) …"; "1783, John O’Keeffe, The Agreeable Surprise, Newry: R. Stevenson, Act I, Scene 1, pp. 6-7, … I took him to oblige a foolish old friend of mine, who intended him for Saint Omers; so I must keep him to draw good wine, and brew balderdash Latin."archaicuncountable

2. (obsolete) Obscene language or writing.Examples: "Trugge, therefore, (who has a foul mouth of his own, when he pleases) talked balderdash to Mrs. Sudberry, through the key-hole, which she did not answer, for, indeed, she seems a civil spoken woman, truly [...]"; "With me your work will be easy and your life happy, with him you will be a drudge and the lacquey of a drudge [...]: from me you will hear none but pious and edifying conversation; from them nothing but balderdash and blasphemy in an outlandish dialect [...]"obsoleteuncountable