Top definition
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 May 03, 2018
Get the mug
Get a fat season mug for your buddy Zora.