Bravo Sierra

Bravo Sierra

Nonsense or foolishness. This phrase uses the phonetic alphabet words for "B" and "S." ("BS" is an abbreviation for "bullshit.") His explanation is just Bravo Sierra—it doesn't answer the question at all.
Farlex Dictionary of Idioms.

Bravo Sierra

n. nonsense; bullshit. (NATO Phonetic Alphabet.) Sure, you’re rich! What Bravo Sierra!
McGraw-Hill's Dictionary of American Slang and Colloquial Expressions
See also:
  • flamdoodle
  • fadoodle
  • gabber
  • gibber
  • gibber-gabber
  • jibber-jabber
  • falderal
  • folderol
  • flapdoodle
  • buncombe
References in periodicals archive
It might sound something like, "Potomac Approach, Four Bravo Sierra. We're showing established on the localizer for Runway 5.
It's generally referred to as Bravo Sierra Syndrome.
There were plenty of holes in the clouds to climb VMC, but it took 10 minutes before we finally found an open area where we could see the ocean, and I reported to Bravo Sierra that we were up for their control.