Jargonista 

A person who is able to use a variety of technical terms to ultimately say nothing meaningful, but somehow still manages to satisfactorily answer questions from senior management, all while sipping a Venti, sugar-free, non-fat, vanilla soy, double shot, decaf, no foam, extra hot, Peppermint White Chocolate Peppermint Mocha with light whip, upside-down, 1 pump of peppermint, 1 and 3/8 pumps vanilla, heavy whip-cream, 3 ice cubes, 1/4 teaspoon Nutmeg sprinkled on top, with green sprinkles, light cinnamon dusted on, stirred, with no lid, double cupped, and a straw

Gary is the ultimate jargonista. He was able to deflect each of Claire's questions with a bunch of mis-used and non-sensical technical terms without spilling his latest barista creation.

Jargonista by Furry Trout August 14, 2011

Jargonese 

The language certain academics speak purposely to mask their failure to make the complex understandable, usually a sign of either profound insecurity or a failure to understand the complex thoughts they are discussing.

"Her jargonese is exhausting everyone," sighed one person at the conference on Victorian Marxism Hegemonies.

Jargonese by Dame Teacher February 20, 2022

jargonise 

verb - to jargonise, the act of taking a simple easily understood word and changing it to a different word which is harder to understand by most as it is from a semantic field understood only by those with intense knowledge of that particular field. Can also be the act of taking a simple easily understood text, and carrying through a similar action as above except to the whole text. past tense, jargonised

I was able to understand that word, because it was just the word, 'word', but now someones jargonised and its now 'lexeme' and I can't understand it.

jargonise by jargoniser March 26, 2011

jargonese 

Business talk

Norman: "The turnover rate at our enterprise has increased exponentially."

Eric: "Stop speaking jargonese!"

jargonese by Nartal November 28, 2012

jargonistic 

adjective - used to describe a word which is of a very specific semantic field which only people with knowledge of that field would understand, can also be used to describe a whole text

I keeping reading this text book, but i can't understand a word of it, it's really jargonistic

jargonistic by jargoniser March 26, 2011