A state that is reached when one has run out of options. Usually takes place in a social situation when you cannot play possum and are forced to talk to somebody you do not want to speak to. Usually makes the victim appear as a "mannequin" in a completely frozen position.
Psycho Chico/a: Why was it when I went in to kiss you, you froze?

Normal Person: It's a defense mechanism, when I can't feign sleep or death I go into mannequin mode.
by Davey December 5, 2004
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Apparently the latest trend. If you thought 2016 couldn't get any worse, well here you are. It's basically an act of standing still with a group of people while a person films the whole thing. Later on they upload it with music to the Internet. What you're supposed to accomplish with it, I have no idea about that but if the intention is to look like a complete dumbfuck then you're doing it just right.
Guy1: Let's try the mannequin challenge!
Guy2: Everybody already knows you're a dumbfuck.
by Catastrophe93 December 4, 2016
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A side project of Andrew McMahon that is actually written with out the apostrophe, just Jacks Mannequin
Andrew said in an interview that it was actually Jacks Mannequin instead of Jack's Mannequin.
by BreeM. November 30, 2005
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When you see a mannequin wearing some sexy article of clothing, go home, and have a wank.
Person 1: I was at walmart the other day.
Person 2: and?
Person 1: I saw a mannequin in yoga pants, went home after and had a mannequin wank.
by Squidissued October 19, 2019
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The perfect shade of "dark blue." Which may or may not be found in a box of crayons.
Oh, would you look at that? Tonight's the prefect shade of Jack's Mannequin.
by Kerosene December 23, 2005
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a challenge where you have people stand completely still while one person films the whole room walking around. When this is posted on the internet, it is put with music. (preferably Black Beatles)
Jimmy did the mannequin challenge with his friends, he posted it online.
by lxciana November 22, 2016
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1. A silly or clumsy person.
2. A mannequin that cuts off above the ass.
3. A dumb piece of shit idiot.
1. Todd tripped over his own two feet. What an ass mannequin.
2. Did you see the ass mannequins out on display?
3. Jerry kicked my dog. I'm going to clean that stupid ass mannequin's clock!
by Scwib December 31, 2009
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