FYS or Fall Yellowjacket Syndrome is a pattern of behavior associated with an identity crisis in older single men, who become bitter, hyper competitive, misogynistic, and narcissistic trying to assert their worth to others when faced with the realization that they will die alone.

Just like a yellowjacket wasp is more likely to become aggressive and sting in the fall, the male with FYS is prone to lash out, engage in maladaptive coping strategies such a heavy drinking/ drugging, take a renewed interest in youthful hobbies to prove he's "still got it", and repeatedly act absolutely nasty towards younger / more fulfilled people than himself whom he is envious of.

Erik has FYS (Fall Yellowjacket Syndrome). Erik couldn't congratulate Daniel on his job promotion without including several backhanded compliments and saying how much more he can lift than Daniel.

FYS (Fall Yellowjacket Syndrome) by xgreenjeansx January 6, 2025

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Mr.FYS

Mr.fys or Mr.finesseyourshordy

Is a good guy along with his partners he goes around finessing other men's shordys like it's nothing it's not just a saying it's a movement

Girl:is that Mr.fys coming over here
Guy:yea babe let's go

Girl : coming

Guy : Oh no here it comes
Girl: * Gets finessed*

Mr.FYS by Unknown_kidd April 19, 2017

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go fys

short for “go fuck your self”

Wow such a big dick, might as well go fys!

go fys by kaprani’s therapist November 18, 2023

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FYSAD

Fuck Yeah Sex And Drugs, a blog.

Person 1: Do you blog on tumblr?
Person 2: Yeah. I follow fuckyeahsexanddrugs

Random Person: I LOVE FYSAD!

FYSAD by ZombieMoans February 5, 2012

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