When a woman ages and another younger version of herself steps onto the scene, be it innocent or not, she feels threatened. Said women will unleash fury on her partner if he so much as looks at younger model with the slightest hint of admiration. This fury may not be overt but layered into nuances.
Steve:
Dude what's wrong with your girlfriend? She's got some serious sand in her vagina. She only seems to get like that when Alison* is around.

Mark:
Yeah she's just suffering from "younger model syndrome"


* The younger model
by Grouchokirst December 10, 2008
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When an object (Normally a mobile phone or laptop) has problems that another object of the same model does not have.
Person 1: My iPhone doesn't seem to have any problems at all!
Pearson 2: Really? Damn it! The battery on mine doesn't last long at all!
Person 1: That's naaasty. Yours definitely has Select Model Syndrome.
Person 2: Ahh crap.
by AndrewC1995 March 1, 2011
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A serious condition where the individual, in the week after a Model United Nations trip, attempts to use a placard with his or her name on it in school to speak or feels it is acceptable to pass notes or bring motions in the classroom.

This syndrome often results in embarrassment or reprimand.
Sid: Point of Inquiry!
*raises placard*
Teacher: What?

Sid: Oh sorry, I still have Model UN Syndrome.
by srav November 23, 2009
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A sense of extreme cuntines (in a good way) that makes people incredibly delusional (in a good way) it’s almost as if they suddenly
Think they can walk in a Victoria Secret show
*phonk or Ayesha Erotica starts playing*

*starts walking as if they were a supermodel*

Dude why is that person walking like that?

They have Model Syndrome
by Beverly Vista Middle School October 13, 2023
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