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A person who appears normal on the outside—sometimes even charming—but beneath the surface is emotionally decayed, morally bankrupt, and entirely hollow. Often manipulative, selfish, and abusive, they wear the appearance of humanity but lack all the qualities that make someone truly human: empathy, accountability, and emotional depth.

Used to describe:

Narcissists

Emotional abusers

Pathological liars

People who destroy others while playing the victim
“He’ll smile in your face, cry on command, and then destroy your life while blaming you for bleeding. Classic rotting core in a human costume.”

“She acted like a supportive friend until the moment I crumbled—then used every secret I ever shared against me. That’s not a person. That’s a rotting core in a human costume.”

“He says all the right words about mental health and healing, but he doesn’t believe in either—he just wants control. He’s nothing but a rotting core in a human costume.”

"He volunteers at a soup kitchen, cheats on his wife, lies to his kids, and hasn’t worked in years—but still walks around like he’s the second coming. He’s not a man. He’s a rotting core in a human costume."
by Roxx Farron June 9, 2025
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asymmetri-core

(noun / adj.)

A roast disguised as an aesthetic. Used to describe someone who looks violently uneven, built like a mistake, or assembled by committee in the dark. Face, body, or outfit has no symmetry, no mercy, no reason. It’s not edgy. It’s just wrong.
“Damn, she’s got that asymmetri-core—left eye doing algebra, right eye on vacation.”
“He built like an asymmetri-core action figure from the clearance bin.”
by Urban zai June 10, 2025
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VoreWhore-Core

A vore aesthetic for all the VoreWhores...
Yo, that art on Deivant art is so fucking VoreWhore-core. You I know what I mean?
by Voitra April 8, 2024
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Clay core

Clay core, is when someone is changed rapidly after something happens, for example when you put a clay project in the over and it explodes, clay core is when something changes quickly and rapidly after a situation, often in a way that negatively effects their, or other perception of them
When it got out that she cheated, it was so clay core. she outright denied it
by livingjammie April 9, 2024
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Clay-Core

Clay-Core is an expression for when someone quickly changed their act after a negative situation, specifically of one that is not in their favor, rapidly and quickly changing, like a lump of clay on a pottery wheel, However Clay-Core can also be used in a positive way, like when someone goes from rude to nice, common changed etc, that dont follow after a negative experience/situation
“When they were confronted, they completely denied it”

Oh my god, thats so Clay-Core
by livingjammie April 9, 2024
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boss core

*hits a garbage can while backing up* that’s just boss core
by boss6969420 April 20, 2024
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lobotomy core

A term originating from tiktok describing content where women are portrayed as happily accepting a situation that's probably not something they would have chosen for themselves, i.e. as though they had been given a lobotomy.
She didn't even have any lines in the movie, she's just there, staring. lobotomy core at its finest.
by x67 May 1, 2024
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