When you scream uncontrollably due to something amusing. You may also (in some rare cases) can become a human police siren (if this happens, make sure that you drive to the hospital as soon as possible). In worst cases, your breasts will grow to a huge size which is obviously a plus if you are of the female gender.
1. Fuck, I have gotten Fatneek syndrome, AAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAH
2. Why is my boobs so big, finnaly I have extracted some fatneek syndrome from a black man on Youtube!!!
2. Why is my boobs so big, finnaly I have extracted some fatneek syndrome from a black man on Youtube!!!
by Fatneekman123 July 9, 2021
Get the Fatneek syndrome mug.KSI IS A FATNEEK
by Riodejaniro April 23, 2021
Get the FATNEEK mug.
KSI is a Fatneek
by LeBron James 0512 November 22, 2021
Get the Fatneek mug.
"KSI's a fatneek."
by Roader April 30, 2022
Get the fatneek mug.