[cock costume]

Someone who is an idiot. It was said after someone called me an ass hat. They deserved it because they are a cock costume.
You are such a cock costume for using the word ass hat.
by casemaster October 21, 2008
mugGet the [cock costume]mug.

Hall Costume

A costume you wear to a Science Fiction Convention, ComicCon, or other event just to wear around the halls of the event. You have no plan to enter the costume in a contest (though you might be asked to if they don't have enough participants).
This is just my Space Ranger Flight Suit, a black jumpsuit with a couple of patches on it. I'd never wear this Hall Costume in the Masquerade Contest.
by Ozzie321 August 27, 2019
mugGet the Hall Costumemug.
For a GGHC you need 2 sets of arms (not yours), 1 pair of legs (again not yours), and a skull (DEFINITELY not yours). None of these body parts should be yours.

Step 1: Look for 4 arms you want and chop them off someone. They'll be screaming in pain as they bleed out. You may want to put them out of their misery so they shut up! Or let them suffer not your problem. Once you do that go to some shack where you won't get caught. Leave the 4 new arms there proceed to step 2.
Step 2: Look for a pair of legs that you want. These should match your arms but it'd be funer to get all of these parts from different people. Cut this person in half horizontally and take their legs. It'd be more realistic if it were a male. But cut their dick off. You have your own so you don't need theirs. When done take this to the same shack as you did in step 1. Leave the new legs there proceed to step 3.
Step 3: This's the final/hardest step. You need to take somebody's head. This'll kill them so look for a black jewish gay man. They need to die! Once you find the BJGM kill him. Decapitate him before showing mercy. When he's dead and headless shave the head down to just the skull. Take the skull to the same shack as the previous steps.
To finish you GGHC you need to put these parts all together. So sew the 4 arms ontop of eachother. Then sew the arm set of 4 to the 2 legs. That will create the body. Finally enter the body and wear the skull like Grievous. Rule #1: Never get caught. Happy Halloween!
Person A "I've built a General Grievous Halloween Costume for Halloween!"
Person B "What do you mean 'you've built'? What parts did you use?"
Person A "It would be better if you didn't know. But it looks sick!"
by Best User On Urban Dictionary September 16, 2025
mugGet the General Grievous Halloween Costumemug.

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.

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.

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