Doctrine that we live in an irrational universe.
ETYM Of uncertain origin: cf. Dan. balder noise, clatter, and Eng. dash; hence, perhaps, unmeaning noise, then hodgepodge, mixture; or W. baldorduss a prattling, baldordd, baldorddi, to prattle.
Trivial nonsense; SYN. fiddle-faddle, piffle.
Pretentious or silly talk or writing; SYN. boloney, bilgewater, bosh, drool, humbug, taradiddle, tarradiddle, tommyrot, tosh, twaddle.
Also blah-blah; silly or pretentious chatter or nonsense
Gross flattery; nonsense.
Meaningless speech or writing.
Used to express disappointment, frustration, or disgust