gibber-gabber

jibber-jabber

slang Nonsense or foolishness. His explanation is just jibber-jabber and doesn't answer the question at all. Who cares what the tabloids say about us? It's all just jibber-jabber anyway.
Farlex Dictionary of Idioms.

gibber-gabber

(ˈdʒɪbɚdʒæbɚ)
n. nonsense; gossip and chatter. There sure is a lot of gibber-gabber coming from your room, Jimmy.
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • gabber
  • gibber
  • jibber-jabber
  • flamdoodle
  • fadoodle
  • falderal
  • folderol
  • flapdoodle
  • buncombe
  • hogwash
References in periodicals archive
It's like interpreting dreams--pure guess-work gibber-gabber. Did you know that there actually are wrong answers to the Rorschach test?
Rorschach revisited