Pretentious, narcissistic, sanctamonious, self-righteous. A "Mason Levy" is someone who thinks he/she/them is hot shit but is nothing more than a cold fart. A "Mason Levy" is also known for praising his/her/them own work, personality, and/or persona whilst being unaware of how shit it actually is.
Joe: Dude I'm such a great actor, singer and student. I am so talented regardless of having grown up with the mental illness of ADHD.
Tim: You're such a fucking Mason Levy.
Tim: You're such a fucking Mason Levy.
by CollegeIntellectual September 30, 2021