One who enjoys eating in copious amounts. Said phrase does not usually mean one is actually fat, or indeed a shit.
Look at David chow down on those kebabs! Fat shit!
Jen is the fattest of all those shits
by The Fattest Shit June 25, 2006
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Look at Melissa the FAT SHIT. What a Jurassic B-tch! She's 5'4" 600 lbs black hair thick black glasses and a crack whore!
by Dark Knight6 February 5, 2022
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Dude Fran was telling me at work about her having the fat shits!!!
by fe"male" July 11, 2008
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a gignamously huge peice of shit, the kind that breaks your fucking butt hole when it comes out
by LoserBitch February 20, 2005
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A shit so large, it’s reached the bottom of the toilet and still coming out your fat ass
Fucking Joe just destroyed that toilet with a fat shit
by Ya boi fat possum March 1, 2021
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