Fuck Boy Syndrom (FBS) is typically gotten by those who like many girls at once and have early dementia.
by ------389 February 24, 2018

Stands for Fake BPM Syndrome. People that have FBS often think the BPM of a song is much higher than it is. It's especially prominent with people that are often not used to songs higher than 180 BPM and in Camellia's comment section on YouTube.
1: OMG this song is so fast!! It's like 1000000 BPM!!!!
2: dude this song is 205 bpm, i'm taking you to the doctor
Doctor: I'm sorry 1, but you've been diagnosed with FBS.
2: dude this song is 205 bpm, i'm taking you to the doctor
Doctor: I'm sorry 1, but you've been diagnosed with FBS.
by FyterX June 3, 2021

Her: hey we should hang out, btw I’m a little chubby.
Him: Yeah I’m down to hang, and yeah no worries I don’t discriminate but FBS?
Him: Yeah I’m down to hang, and yeah no worries I don’t discriminate but FBS?
by Duhduhduuuuhh December 22, 2020

by boo$ki December 14, 2024

by detspooky June 18, 2024

Kyle: Damn bro did you see Kelly in those shorts?
Jeff: Man she has FBS bad
Kyle: FBS? Is that an STD?
Jeff: Nah man, fat booty syndrome
Jeff: Man she has FBS bad
Kyle: FBS? Is that an STD?
Jeff: Nah man, fat booty syndrome
by PagnumLordd July 10, 2023

by Brug12356774938 May 25, 2021
