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National Dino costume day

Person 1: why are you dressed up Halloween is in 2 days.

Person 2: c’mon it’s national Dino costume day
mugGet the National Dino costume daymug.

Man in the costume

Figuratively it refers to a well known truth behind some concept (for example, "santa isnt real") that we collectively decide to ignore, because it ruins the fun.

It's in reference to mascot costumes worn by some poor soul to appease the masses, for example the underpaid part-timers staffing the costumes at disneyland

It's like, as a kid, pulling the "no, you didint just kill me cause we are just pretending" card when playing pretend on a playground

Alternatively, man behind the mask
Weeb A: you do know that most weebs are ironic about waifus, right? Only a relatively small amount of weebs actually think stuff like "this fictional high schooler is the love of my life".
Weeb B: Can we please stop talking about the man in the costume and get back to arguing about which underage girl is hotter?
by oan124 September 19, 2022
mugGet the Man in the costumemug.

Costumize

I’m going to costumize “anxiety” for Halloween. It fits me well.
by Nya Nyx October 27, 2019
mugGet the Costumizemug.

Costume Castle

A retail store themed like a Castle in Lake Forest, CA. Orange County's best Halloween costume store.
Did you get your Halloween costume at Costume Castle? No, I got my cosplay costume from www.thecostumecastle.com
by WhoDatKingYo August 15, 2018
mugGet the Costume Castlemug.

Whiskey and Coke Costume

A costume choice made popular by the swinging community in the late 90’s. The couple who arrives wearing this is meant to indicate to other swinging couples that their preference in the bedroom is anal sex. The person who wears the whiskey outfit is said to prefer to receive, where the cola wearer prefers to give. There are several variations of this costume since the 90’s, including Jack & Coke, Jack & Ginger, Whiskey & Cola.
“Oh my! Can you believe Mark and Karen showed up in a Whiskey and Coke Costume? Do you think they know what it means?”
“Oh, I bet Mark knows what it means!”
by Bobby Butt Stuff October 16, 2021
mugGet the Whiskey and Coke Costumemug.

adopted fortnite costume

Adopted fortnite costume is a derogatory way of saying that you don’t belong, or that you are out of style. It is a very popular phrase in gaming, but don’t get hurt if someone calls you an adopted fortnite costume because the person saying it is typically just as bad as the victim.
“Kid you’re such an adopted fortnite costume!”
by Rainer August 28, 2021
mugGet the adopted fortnite costumemug.
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
mugGet the Rotting Core in a Human Costumemug.

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