Bal″der‐dash (�), n. [Of uncertain origin: cf. Dan. balder noise, clatter, and E. dash; hence, perhaps, unmeaning noise, then hodgepodge, mixture; or W. baldorduss a prattling, baldordd, baldorddi, to prattle.] 1. A worthless mixture, especially of liquors.
Indeed beer, by a mixture of wine, hath lost both name and nature, and is called balderdash.
Taylor (Drink and Welcome).
2. Senseless jargon; ribaldry; nonsense; trash.