Pseudosophistication 

A false, fake or inflated sense of sophistication

His pseudosophistication wasn't welcome

Pseudosophistication by Quasisupersymmetry. January 15, 2024

Pseudosophistication 

False or feigned sophistication.

He always pretends to he more educated than he is, I'm tired of his pseudosophistication.

Pseudosophistication by Quasisupersymmetry. July 15, 2024