When a woman loses her virginity, the resulting condition that causes an irrational feeling of attachement and love towards her current partner. The severity of this disease should not be underestimated. It can also extend beyond the termination of said relationship. In unusual and rare circustances, it has been known to affect effeminate men as well.
"Wow, he told all her friends he hates her, cheated on her, got with her best friend the day after they broke up, but she is still telling everyone that she wants to be with him, and that he's perfect for her."

"Yeah, that girl is really First-Fuck-Syndromed."
by S.D. and S.W.A. January 31, 2005
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When a girl gets dick whipped and can't think about any other dick.
Yo, Rachel is back with her ex?? Even though he cheated on her?? Yes, bit she suffers from FDS (First Dick Syndrome)
by Tylg2999 October 1, 2017
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Going head over heels and doing silly things for a boy/girl you just met because it's your first "real" relationship.
The First girl/boy Syndrome: Sticking with a less than fortunate chick (looks wise) because she's your first sexual partner
by Truth2012 May 8, 2012
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a prolonged emotional attachment to the person who took your virginity
I can't get over John. I think I have First Time Attachment Syndrome (FTAS).
by spidermanrawrrr October 22, 2009
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also known as FBDS, the guy you screwed around with and had a baby with for the first time, mostly affects young girls from ages 14-19 years old who have kids extremely young and before marriage.
Lindsay: I really might get back with my ex
Bobby: why he's a total douche to you and doesnt even care about lil jonny
Lindsay: because he's my first baby daddy!
Bobby: ah! fuck girl you've got a case of First Baby Daddy Syndrome!
by sexymilfmomma February 24, 2012
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(usually in Minecraft parkour) when you get super far in a parkour on your first try, but on your later attempts, you start trippin
Yo I think I have a case of First Attempt Syndrome cause after I fell off the parkour that first try, I kept fucking walking off of the one block jumps.
by pussack August 7, 2018
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FAS or First Anime Syndrome is a condition that happens when someone completes their first anime and instantly think nothing will ever top it and label it as goated.

Common animes that lead to FAS include: Naruto, One Piece, Demon Slayer, and Attack on Titan.
Person 1 - "Yo Naruto is the most goated show ever and nothing will ever top it."

Person 2 - "stfu man you just got first anime syndrome"
by AntiBiasContent November 12, 2022
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