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A fatneek is used to describe someone that gains an astronomical amount of weight but denies it everytime someone tells him
Someone: Hey you fatneek
KSI: aye yo thats mad
by seepah September 25, 2020
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the word is use to describe someone who is fat and gets bullied by his own subreddit
fatneek
by Matejwastaken February 10, 2021
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KSI is a fatneek
by RagingCunt69 January 19, 2021
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KSI is fatneek trust me and like if you want ksi to show hyper in a video.
by awleta January 26, 2021
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A KSI
KSI is a fatneek
by Uncle Asshole October 25, 2020
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