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.'Wow, you're so fatheem!!'
by wonderland14 July 11, 2021
Get the Fatheem mug.Hey, famKSI is a fatneek!
by HexTheMemeGod October 27, 2021
Get the Fatneek mug.The fattestneek refers to a quite indistructable being, the Fatneek is one of many skills but to be the greatest of all of them means you are potientially the key to completing the prophercy. A prophercy where I bang your mum back and forth like a building.
Guy 1: Do you know fattestneek
Guy 2: who
*silence
Guy 2: asked jk it means you are the greatest fatneek and also means ur mum kinda cute
Guy 2: who
*silence
Guy 2: asked jk it means you are the greatest fatneek and also means ur mum kinda cute
by fattestneek August 12, 2021
Get the Fattestneek mug.KSI is a Fatneek
by ShushKebab August 13, 2021
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