bibblywibbly
A wasteful, Useless, or meaningless action either physical, verbal, and or both combined describing a situation or circumstance
I overheard my girlfriend and her sister in what seemed to be deep conversation. After further listening I concluded that they were just spouting a bunch of bibblywibbly. (Re: meaningless talk see also jibberjabber, jive talking, malarkey, or shit talking/b.s.