Person/People (usually with a university background or a similar form of higher education) who decide to speak in convoluted, very jargon oriented terms about general subjects/topics with the main intent to either: show off their supposed expertise; their superior intellect over their audience; or both.
The main feeling of their audience, however, would typically be "what a long-winded prick..." or a similar negative thought.
Expanding from this, politicians could be described as Jacademics with enhanced convolution and word play abilities.
Term first heard from (Ninja/J-Sel, CoB, 2012)
Professor at dinner party: You know Charles, the stagnant, and you could even say bearish, state of the economy is fundamentally a result of the proliferation of questionable securities and derivatives products offered by major investment banks with the help of their Federal Reserve and Politician friends.
Thought of a general listener: What a Jacademic / Jackademic!
The dude that is always honest and sarcastic. He's a generous person but he's picky with his friends. He proves people wrong by standing out and being different. He's the type of dude to not show others the real him.
A man who tends to be sweet when he is young. He is very cool fun and outgoing. He is a person that always sticks with friends and trust many people. On the other hand, a Jacalen is sometimes a little rood. He is the person that you are always waiting for. He is the one that keeps you safe also can sometimes fall apart. When he is alone he is nothing but when he has a backup he can be a leader for anything.