The months spanning from September-January in which fat niggas receive a dramatic increase in sexual activity
Girl 1: You're really gonna let HIM fuck you?

Girl 2: It's fat nigga season. Gotta let a fat nigga fuck.
by Dogneck September 8, 2017
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A season when you eat anything and everything. No sharing. Just eat. For mixed and black people. Most likely junk food
White boy: Can I have a bite of your candy apple?

Black person: HELL NAH ITS FAT NIGGA SEASON. Maybe when the seasons over...
by Fatboysse June 20, 2017
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More colloquially known as the “holiday season”. Begins October 30th and ends January 2nd. The time of year where gouging on excessive quantities of food and drink likely terribly for your health is not only accepted but in fact encouraged.
I'm so excited to start fat season, now I have a reason to eat an entire plate of sugar cookies.

I can believe how long fat season is. I might almost go to the gym in January.
by ulticoach January 23, 2018
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