1) Blether 2) Bureaucratese 3) Drivel 4) Flannel 5) Flimflam 6) Guff 7) High-level argot 8) Jargon 9) Rubbish 10) Slang for nonsense 11) Small talk 12) Vapid verbiage 1) Doubletalk 2) Flapdoodle 3) Nonsense 4) Rot 5) Rubbish 6) Terminology 
Gobbledygook is slang for nonsense.
Language which sounds as if it makes sense but is either meaningless or confusing to the listener or reader. An extreme form of jargon.
[n] - incomprehensible or pompous jargon of specialists
gobbledygook, gobbledegook 1. An English term used to describe nonsensical language, or sounds that resemble language but have no meaning; encrypted text. 2. Something that is being expressed in an overly complicated manner. 3. Unintelligible, inflated language; usually the hallmark of many government agencies. 4. Involved, pedantic, repetitious...
noun incomprehensible or pompous jargon of specialists